Home / 20,198,538.93-27,874,671.60-11,945,675.73

Finding the Fourth Proportional to 20,198,538.93, 27,874,671.60 and 11,945,675.73

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Solution

The fourth proportional to 20,198,538.93, 27,874,671.60 and 11,945,675.73 is: 16,485,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,538.93 : 27,874,671.60 = 11,945,675.73 : x
  2. Step 2: Convert to fraction form
    20,198,538.93/27,874,671.60 = 11,945,675.73/x
  3. Step 3: Cross multiply
    20,198,538.93x = 27,874,671.60 × 11,945,675.73
  4. Step 4: Simplify right side
    20,198,538.93x = 332,981,788,013,840.31
  5. Step 5: Solve for x
    x = 332,981,788,013,840.31/20,198,538.93
  6. Step 6: Final answer
    x = 16,485,439.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.