Home / 10,108,101.78-15,156,600.12-4,979,246.58

Finding the Fourth Proportional to 10,108,101.78, 15,156,600.12 and 4,979,246.58

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Solution

The fourth proportional to 10,108,101.78, 15,156,600.12 and 4,979,246.58 is: 7,466,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108,101.78 : 15,156,600.12 = 4,979,246.58 : x
  2. Step 2: Convert to fraction form
    10,108,101.78/15,156,600.12 = 4,979,246.58/x
  3. Step 3: Cross multiply
    10,108,101.78x = 15,156,600.12 × 4,979,246.58
  4. Step 4: Simplify right side
    10,108,101.78x = 75,468,449,311,937.59
  5. Step 5: Solve for x
    x = 75,468,449,311,937.59/10,108,101.78
  6. Step 6: Final answer
    x = 7,466,134.69

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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.