Home / 13,850,139.92-20,869,747.12-11,381,104.40

Finding the Fourth Proportional to 13,850,139.92, 20,869,747.12 and 11,381,104.40

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Solution

The fourth proportional to 13,850,139.92, 20,869,747.12 and 11,381,104.40 is: 17,149,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850,139.92 : 20,869,747.12 = 11,381,104.40 : x
  2. Step 2: Convert to fraction form
    13,850,139.92/20,869,747.12 = 11,381,104.40/x
  3. Step 3: Cross multiply
    13,850,139.92x = 20,869,747.12 × 11,381,104.40
  4. Step 4: Simplify right side
    13,850,139.92x = 237,520,770,774,319.34
  5. Step 5: Solve for x
    x = 237,520,770,774,319.34/13,850,139.92
  6. Step 6: Final answer
    x = 17,149,340.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.