Finding the Fourth Proportional to 16,618,231.80, 24,924,755.70 and 5,261,470.20
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Solution
The fourth proportional to 16,618,231.80, 24,924,755.70 and 5,261,470.20 is: 7,891,384.65
Step by Step Solution
- Step 1: Write the proportion equation
16,618,231.80 : 24,924,755.70 = 5,261,470.20 : x - Step 2: Convert to fraction form
16,618,231.80/24,924,755.70 = 5,261,470.20/x - Step 3: Cross multiply
16,618,231.80x = 24,924,755.70 × 5,261,470.20 - Step 4: Simplify right side
16,618,231.80x = 131,140,859,357,830.14 - Step 5: Solve for x
x = 131,140,859,357,830.14/16,618,231.80 - Step 6: Final answer
x = 7,891,384.65
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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.