Finding the Fourth Proportional to 10,387,966.59, 15,582,733.11 and 3,100,850.70
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Solution
The fourth proportional to 10,387,966.59, 15,582,733.11 and 3,100,850.70 is: 4,651,509.85
Step by Step Solution
- Step 1: Write the proportion equation
10,387,966.59 : 15,582,733.11 = 3,100,850.70 : x - Step 2: Convert to fraction form
10,387,966.59/15,582,733.11 = 3,100,850.70/x - Step 3: Cross multiply
10,387,966.59x = 15,582,733.11 × 3,100,850.70 - Step 4: Simplify right side
10,387,966.59x = 48,319,728,872,056.68 - Step 5: Solve for x
x = 48,319,728,872,056.68/10,387,966.59 - Step 6: Final answer
x = 4,651,509.85
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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.