Finding the Fourth Proportional to 16,398,121.20, 24,581,435.40 and 12,752,829.60
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Solution
The fourth proportional to 16,398,121.20, 24,581,435.40 and 12,752,829.60 is: 19,116,998.41
Step by Step Solution
- Step 1: Write the proportion equation
16,398,121.20 : 24,581,435.40 = 12,752,829.60 : x - Step 2: Convert to fraction form
16,398,121.20/24,581,435.40 = 12,752,829.60/x - Step 3: Cross multiply
16,398,121.20x = 24,581,435.40 × 12,752,829.60 - Step 4: Simplify right side
16,398,121.20x = 313,482,856,979,607.81 - Step 5: Solve for x
x = 313,482,856,979,607.81/16,398,121.20 - Step 6: Final answer
x = 19,116,998.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.