Home / 11,561,005.54-15,917,788.65-9,815,221.90

Finding the Fourth Proportional to 11,561,005.54, 15,917,788.65 and 9,815,221.90

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Solution

The fourth proportional to 11,561,005.54, 15,917,788.65 and 9,815,221.90 is: 13,514,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561,005.54 : 15,917,788.65 = 9,815,221.90 : x
  2. Step 2: Convert to fraction form
    11,561,005.54/15,917,788.65 = 9,815,221.90/x
  3. Step 3: Cross multiply
    11,561,005.54x = 15,917,788.65 × 9,815,221.90
  4. Step 4: Simplify right side
    11,561,005.54x = 156,236,627,757,051.44
  5. Step 5: Solve for x
    x = 156,236,627,757,051.44/11,561,005.54
  6. Step 6: Final answer
    x = 13,514,103.70

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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.