Finding the Fourth Proportional to 10,002,129.20, 15,001,446.60 and 2,811,956
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Solution
The fourth proportional to 10,002,129.20, 15,001,446.60 and 2,811,956 is: 4,217,442.80
Step by Step Solution
- Step 1: Write the proportion equation
10,002,129.20 : 15,001,446.60 = 2,811,956 : x - Step 2: Convert to fraction form
10,002,129.20/15,001,446.60 = 2,811,956/x - Step 3: Cross multiply
10,002,129.20x = 15,001,446.60 × 2,811,956 - Step 4: Simplify right side
10,002,129.20x = 42,183,407,775,549.60 - Step 5: Solve for x
x = 42,183,407,775,549.60/10,002,129.20 - Step 6: Final answer
x = 4,217,442.80
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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.