Finding the Fourth Proportional to 7,665,517.99, 11,498,276.99 and 3,115,500.76
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Solution
The fourth proportional to 7,665,517.99, 11,498,276.99 and 3,115,500.76 is: 4,673,251.14
Step by Step Solution
- Step 1: Write the proportion equation
7,665,517.99 : 11,498,276.99 = 3,115,500.76 : x - Step 2: Convert to fraction form
7,665,517.99/11,498,276.99 = 3,115,500.76/x - Step 3: Cross multiply
7,665,517.99x = 11,498,276.99 × 3,115,500.76 - Step 4: Simplify right side
7,665,517.99x = 35,822,890,680,078.57 - Step 5: Solve for x
x = 35,822,890,680,078.57/7,665,517.99 - Step 6: Final answer
x = 4,673,251.14
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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.