Finding the Fourth Proportional to 16,387,553.70, 24,581,330.55 and 5,605,206.30
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Solution
The fourth proportional to 16,387,553.70, 24,581,330.55 and 5,605,206.30 is: 8,407,809.45
Step by Step Solution
- Step 1: Write the proportion equation
16,387,553.70 : 24,581,330.55 = 5,605,206.30 : x - Step 2: Convert to fraction form
16,387,553.70/24,581,330.55 = 5,605,206.30/x - Step 3: Cross multiply
16,387,553.70x = 24,581,330.55 × 5,605,206.30 - Step 4: Simplify right side
16,387,553.70x = 137,783,428,861,242.47 - Step 5: Solve for x
x = 137,783,428,861,242.47/16,387,553.70 - Step 6: Final answer
x = 8,407,809.45
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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.