Home / 12,469,569.60-18,667,029.60-11,125,876.80

Finding the Fourth Proportional to 12,469,569.60, 18,667,029.60 and 11,125,876.80

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Solution

The fourth proportional to 12,469,569.60, 18,667,029.60 and 11,125,876.80 is: 16,655,512.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,569.60 : 18,667,029.60 = 11,125,876.80 : x
  2. Step 2: Convert to fraction form
    12,469,569.60/18,667,029.60 = 11,125,876.80/x
  3. Step 3: Cross multiply
    12,469,569.60x = 18,667,029.60 × 11,125,876.80
  4. Step 4: Simplify right side
    12,469,569.60x = 207,687,071,551,553.31
  5. Step 5: Solve for x
    x = 207,687,071,551,553.31/12,469,569.60
  6. Step 6: Final answer
    x = 16,655,512.44

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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.