Finding the Fourth Proportional to 10,884,167.20, 16,332,471.60 and 4,157,408.80
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Solution
The fourth proportional to 10,884,167.20, 16,332,471.60 and 4,157,408.80 is: 6,238,489.35
Step by Step Solution
- Step 1: Write the proportion equation
10,884,167.20 : 16,332,471.60 = 4,157,408.80 : x - Step 2: Convert to fraction form
10,884,167.20/16,332,471.60 = 4,157,408.80/x - Step 3: Cross multiply
10,884,167.20x = 16,332,471.60 × 4,157,408.80 - Step 4: Simplify right side
10,884,167.20x = 67,900,761,155,590.08 - Step 5: Solve for x
x = 67,900,761,155,590.08/10,884,167.20 - Step 6: Final answer
x = 6,238,489.35
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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.