Home / 8,387,854.66-12,561,602.37-4,782,691.90

Finding the Fourth Proportional to 8,387,854.66, 12,561,602.37 and 4,782,691.90

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Solution

The fourth proportional to 8,387,854.66, 12,561,602.37 and 4,782,691.90 is: 7,162,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,854.66 : 12,561,602.37 = 4,782,691.90 : x
  2. Step 2: Convert to fraction form
    8,387,854.66/12,561,602.37 = 4,782,691.90/x
  3. Step 3: Cross multiply
    8,387,854.66x = 12,561,602.37 × 4,782,691.90
  4. Step 4: Simplify right side
    8,387,854.66x = 60,078,273,906,019.80
  5. Step 5: Solve for x
    x = 60,078,273,906,019.80/8,387,854.66
  6. Step 6: Final answer
    x = 7,162,531.58

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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.