Home / 11,917,663.38-17,876,408.94-7,892,170.07

Finding the Fourth Proportional to 11,917,663.38, 17,876,408.94 and 7,892,170.07

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Solution

The fourth proportional to 11,917,663.38, 17,876,408.94 and 7,892,170.07 is: 11,838,198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917,663.38 : 17,876,408.94 = 7,892,170.07 : x
  2. Step 2: Convert to fraction form
    11,917,663.38/17,876,408.94 = 7,892,170.07/x
  3. Step 3: Cross multiply
    11,917,663.38x = 17,876,408.94 × 7,892,170.07
  4. Step 4: Simplify right side
    11,917,663.38x = 141,083,659,505,966.41
  5. Step 5: Solve for x
    x = 141,083,659,505,966.41/11,917,663.38
  6. Step 6: Final answer
    x = 11,838,198.06

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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.