Home / 15,557,793-21,469,191.56-8,588,320.86

Finding the Fourth Proportional to 15,557,793, 21,469,191.56 and 8,588,320.86

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Solution

The fourth proportional to 15,557,793, 21,469,191.56 and 8,588,320.86 is: 11,851,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557,793 : 21,469,191.56 = 8,588,320.86 : x
  2. Step 2: Convert to fraction form
    15,557,793/21,469,191.56 = 8,588,320.86/x
  3. Step 3: Cross multiply
    15,557,793x = 21,469,191.56 × 8,588,320.86
  4. Step 4: Simplify right side
    15,557,793x = 184,384,305,722,083.91
  5. Step 5: Solve for x
    x = 184,384,305,722,083.91/15,557,793
  6. Step 6: Final answer
    x = 11,851,572.12

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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.