Home / 7,541,729.76-10,407,821.28-4,278,681.92

Finding the Fourth Proportional to 7,541,729.76, 10,407,821.28 and 4,278,681.92

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Solution

The fourth proportional to 7,541,729.76, 10,407,821.28 and 4,278,681.92 is: 5,904,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541,729.76 : 10,407,821.28 = 4,278,681.92 : x
  2. Step 2: Convert to fraction form
    7,541,729.76/10,407,821.28 = 4,278,681.92/x
  3. Step 3: Cross multiply
    7,541,729.76x = 10,407,821.28 × 4,278,681.92
  4. Step 4: Simplify right side
    7,541,729.76x = 44,531,756,737,327.26
  5. Step 5: Solve for x
    x = 44,531,756,737,327.26/7,541,729.76
  6. Step 6: Final answer
    x = 5,904,713.93

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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.