Finding the Fourth Proportional to 15,319,746.80, 22,984,869.56 and 5,229,453.68
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Solution
The fourth proportional to 15,319,746.80, 22,984,869.56 and 5,229,453.68 is: 7,845,972.41
Step by Step Solution
- Step 1: Write the proportion equation
15,319,746.80 : 22,984,869.56 = 5,229,453.68 : x - Step 2: Convert to fraction form
15,319,746.80/22,984,869.56 = 5,229,453.68/x - Step 3: Cross multiply
15,319,746.80x = 22,984,869.56 × 5,229,453.68 - Step 4: Simplify right side
15,319,746.80x = 120,198,310,704,861.97 - Step 5: Solve for x
x = 120,198,310,704,861.97/15,319,746.80 - Step 6: Final answer
x = 7,845,972.41
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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.