Complete the series: 6, 3, 12, 6, 24, ______?

Complete the series: 6, 3, 12, 6, 24, ______?

Explanation

The pattern of the series is:

6 × 0.5 = 3

3 × 4 = 12

12 × 0.5 = 6

6 × 4 = 24

24 × 0.5 = 12