Finding the Fourth Proportional to 16,220,515.20, 24,344,550.90 and 6,642,767.40
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Solution
The fourth proportional to 16,220,515.20, 24,344,550.90 and 6,642,767.40 is: 9,969,793.63
Step by Step Solution
- Step 1: Write the proportion equation
16,220,515.20 : 24,344,550.90 = 6,642,767.40 : x - Step 2: Convert to fraction form
16,220,515.20/24,344,550.90 = 6,642,767.40/x - Step 3: Cross multiply
16,220,515.20x = 24,344,550.90 × 6,642,767.40 - Step 4: Simplify right side
16,220,515.20x = 161,715,189,086,160.66 - Step 5: Solve for x
x = 161,715,189,086,160.66/16,220,515.20 - Step 6: Final answer
x = 9,969,793.63
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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.