Finding the Fourth Proportional to 7,492,529.30, 11,238,793.95 and 6,694,711.70
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Solution
The fourth proportional to 7,492,529.30, 11,238,793.95 and 6,694,711.70 is: 10,042,067.55
Step by Step Solution
- Step 1: Write the proportion equation
7,492,529.30 : 11,238,793.95 = 6,694,711.70 : x - Step 2: Convert to fraction form
7,492,529.30/11,238,793.95 = 6,694,711.70/x - Step 3: Cross multiply
7,492,529.30x = 11,238,793.95 × 6,694,711.70 - Step 4: Simplify right side
7,492,529.30x = 75,240,485,350,954.22 - Step 5: Solve for x
x = 75,240,485,350,954.22/7,492,529.30 - Step 6: Final answer
x = 10,042,067.55
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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.