Finding the Fourth Proportional to 10,393,327.90, 15,572,277.15 and 8,869,863.70
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Solution
The fourth proportional to 10,393,327.90, 15,572,277.15 and 8,869,863.70 is: 13,289,677.49
Step by Step Solution
- Step 1: Write the proportion equation
10,393,327.90 : 15,572,277.15 = 8,869,863.70 : x - Step 2: Convert to fraction form
10,393,327.90/15,572,277.15 = 8,869,863.70/x - Step 3: Cross multiply
10,393,327.90x = 15,572,277.15 × 8,869,863.70 - Step 4: Simplify right side
10,393,327.90x = 138,123,975,819,124.45 - Step 5: Solve for x
x = 138,123,975,819,124.45/10,393,327.90 - Step 6: Final answer
x = 13,289,677.49
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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.