Finding the Fourth Proportional to 16,287,470.80, 24,431,206.20 and 15,279,701.20
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Solution
The fourth proportional to 16,287,470.80, 24,431,206.20 and 15,279,701.20 is: 22,919,551.80
Step by Step Solution
- Step 1: Write the proportion equation
16,287,470.80 : 24,431,206.20 = 15,279,701.20 : x - Step 2: Convert to fraction form
16,287,470.80/24,431,206.20 = 15,279,701.20/x - Step 3: Cross multiply
16,287,470.80x = 24,431,206.20 × 15,279,701.20 - Step 4: Simplify right side
16,287,470.80x = 373,301,530,691,587.44 - Step 5: Solve for x
x = 373,301,530,691,587.44/16,287,470.80 - Step 6: Final answer
x = 22,919,551.80
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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.