Finding the Fourth Proportional to 39,718,468.75, 59,577,706.37 and 12,792,124.75
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Solution
The fourth proportional to 39,718,468.75, 59,577,706.37 and 12,792,124.75 is: 19,188,188.17
Step by Step Solution
- Step 1: Write the proportion equation
39,718,468.75 : 59,577,706.37 = 12,792,124.75 : x - Step 2: Convert to fraction form
39,718,468.75/59,577,706.37 = 12,792,124.75/x - Step 3: Cross multiply
39,718,468.75x = 59,577,706.37 × 12,792,124.75 - Step 4: Simplify right side
39,718,468.75x = 762,125,452,203,909.62 - Step 5: Solve for x
x = 762,125,452,203,909.62/39,718,468.75 - Step 6: Final answer
x = 19,188,188.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.