Home / 13,850,115.38-20,869,710.23-11,381,079.86

Finding the Fourth Proportional to 13,850,115.38, 20,869,710.23 and 11,381,079.86

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Solution

The fourth proportional to 13,850,115.38, 20,869,710.23 and 11,381,079.86 is: 17,149,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850,115.38 : 20,869,710.23 = 11,381,079.86 : x
  2. Step 2: Convert to fraction form
    13,850,115.38/20,869,710.23 = 11,381,079.86/x
  3. Step 3: Cross multiply
    13,850,115.38x = 20,869,710.23 × 11,381,079.86
  4. Step 4: Simplify right side
    13,850,115.38x = 237,519,838,782,688.97
  5. Step 5: Solve for x
    x = 237,519,838,782,688.97/13,850,115.38
  6. Step 6: Final answer
    x = 17,149,303.98

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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.