Finding the Fourth Proportional to 7,915,265.53, 10,923,251.36 and 4,430,517.65
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Solution
The fourth proportional to 7,915,265.53, 10,923,251.36 and 4,430,517.65 is: 6,114,217.87
Step by Step Solution
- Step 1: Write the proportion equation
7,915,265.53 : 10,923,251.36 = 4,430,517.65 : x - Step 2: Convert to fraction form
7,915,265.53/10,923,251.36 = 4,430,517.65/x - Step 3: Cross multiply
7,915,265.53x = 10,923,251.36 × 4,430,517.65 - Step 4: Simplify right side
7,915,265.53x = 48,395,657,910,059.85 - Step 5: Solve for x
x = 48,395,657,910,059.85/7,915,265.53 - Step 6: Final answer
x = 6,114,217.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.