Home / 13,856,943.10-20,785,414.65-11,337,519.10

Finding the Fourth Proportional to 13,856,943.10, 20,785,414.65 and 11,337,519.10

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Solution

The fourth proportional to 13,856,943.10, 20,785,414.65 and 11,337,519.10 is: 17,006,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,943.10 : 20,785,414.65 = 11,337,519.10 : x
  2. Step 2: Convert to fraction form
    13,856,943.10/20,785,414.65 = 11,337,519.10/x
  3. Step 3: Cross multiply
    13,856,943.10x = 20,785,414.65 × 11,337,519.10
  4. Step 4: Simplify right side
    13,856,943.10x = 235,655,035,595,794.78
  5. Step 5: Solve for x
    x = 235,655,035,595,794.78/13,856,943.10
  6. Step 6: Final answer
    x = 17,006,278.65

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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.