Finding the Fourth Proportional to 7,275,691.76, 10,911,675.46 and 2,156,924.68
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Solution
The fourth proportional to 7,275,691.76, 10,911,675.46 and 2,156,924.68 is: 3,234,834.97
Step by Step Solution
- Step 1: Write the proportion equation
7,275,691.76 : 10,911,675.46 = 2,156,924.68 : x - Step 2: Convert to fraction form
7,275,691.76/10,911,675.46 = 2,156,924.68/x - Step 3: Cross multiply
7,275,691.76x = 10,911,675.46 × 2,156,924.68 - Step 4: Simplify right side
7,275,691.76x = 23,535,662,099,824.36 - Step 5: Solve for x
x = 23,535,662,099,824.36/7,275,691.76 - Step 6: Final answer
x = 3,234,834.97
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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.