Finding the Fourth Proportional to 10,339,444.62, 15,509,750.12 and 3,151,213.02
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Solution
The fourth proportional to 10,339,444.62, 15,509,750.12 and 3,151,213.02 is: 4,726,997.27
Step by Step Solution
- Step 1: Write the proportion equation
10,339,444.62 : 15,509,750.12 = 3,151,213.02 : x - Step 2: Convert to fraction form
10,339,444.62/15,509,750.12 = 3,151,213.02/x - Step 3: Cross multiply
10,339,444.62x = 15,509,750.12 × 3,151,213.02 - Step 4: Simplify right side
10,339,444.62x = 48,874,526,499,334.50 - Step 5: Solve for x
x = 48,874,526,499,334.50/10,339,444.62 - Step 6: Final answer
x = 4,726,997.27
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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.