Home / 29,126,103.60-43,654,163.40-12,078,001.20

Finding the Fourth Proportional to 29,126,103.60, 43,654,163.40 and 12,078,001.20

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Solution

The fourth proportional to 29,126,103.60, 43,654,163.40 and 12,078,001.20 is: 18,102,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126,103.60 : 43,654,163.40 = 12,078,001.20 : x
  2. Step 2: Convert to fraction form
    29,126,103.60/43,654,163.40 = 12,078,001.20/x
  3. Step 3: Cross multiply
    29,126,103.60x = 43,654,163.40 × 12,078,001.20
  4. Step 4: Simplify right side
    29,126,103.60x = 527,255,037,930,196
  5. Step 5: Solve for x
    x = 527,255,037,930,196/29,126,103.60
  6. Step 6: Final answer
    x = 18,102,491.33

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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.