Home / 10,407,079.52-15,610,531.71-8,134,515.44

Finding the Fourth Proportional to 10,407,079.52, 15,610,531.71 and 8,134,515.44

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Solution

The fourth proportional to 10,407,079.52, 15,610,531.71 and 8,134,515.44 is: 12,201,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407,079.52 : 15,610,531.71 = 8,134,515.44 : x
  2. Step 2: Convert to fraction form
    10,407,079.52/15,610,531.71 = 8,134,515.44/x
  3. Step 3: Cross multiply
    10,407,079.52x = 15,610,531.71 × 8,134,515.44
  4. Step 4: Simplify right side
    10,407,079.52x = 126,984,111,221,604.61
  5. Step 5: Solve for x
    x = 126,984,111,221,604.61/10,407,079.52
  6. Step 6: Final answer
    x = 12,201,704.71

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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.