Finding the Fourth Proportional to 10,339,445.12, 15,509,750.86 and 3,151,213.52
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Solution
The fourth proportional to 10,339,445.12, 15,509,750.86 and 3,151,213.52 is: 4,726,998.02
Step by Step Solution
- Step 1: Write the proportion equation
10,339,445.12 : 15,509,750.86 = 3,151,213.52 : x - Step 2: Convert to fraction form
10,339,445.12/15,509,750.86 = 3,151,213.52/x - Step 3: Cross multiply
10,339,445.12x = 15,509,750.86 × 3,151,213.52 - Step 4: Simplify right side
10,339,445.12x = 48,874,536,601,863.62 - Step 5: Solve for x
x = 48,874,536,601,863.62/10,339,445.12 - Step 6: Final answer
x = 4,726,998.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.