Finding the Fourth Proportional to 8,252,134.20, 12,350,207.70 and 7,244,364.60
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Solution
The fourth proportional to 8,252,134.20, 12,350,207.70 and 7,244,364.60 is: 10,841,971.94
Step by Step Solution
- Step 1: Write the proportion equation
8,252,134.20 : 12,350,207.70 = 7,244,364.60 : x - Step 2: Convert to fraction form
8,252,134.20/12,350,207.70 = 7,244,364.60/x - Step 3: Cross multiply
8,252,134.20x = 12,350,207.70 × 7,244,364.60 - Step 4: Simplify right side
8,252,134.20x = 89,469,407,464,527.41 - Step 5: Solve for x
x = 89,469,407,464,527.41/8,252,134.20 - Step 6: Final answer
x = 10,841,971.94
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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.