Home / 10,505,910.29-15,726,543.83-6,854,778.38

Finding the Fourth Proportional to 10,505,910.29, 15,726,543.83 and 6,854,778.38

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Solution

The fourth proportional to 10,505,910.29, 15,726,543.83 and 6,854,778.38 is: 10,261,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505,910.29 : 15,726,543.83 = 6,854,778.38 : x
  2. Step 2: Convert to fraction form
    10,505,910.29/15,726,543.83 = 6,854,778.38/x
  3. Step 3: Cross multiply
    10,505,910.29x = 15,726,543.83 × 6,854,778.38
  4. Step 4: Simplify right side
    10,505,910.29x = 107,801,972,638,006.39
  5. Step 5: Solve for x
    x = 107,801,972,638,006.39/10,505,910.29
  6. Step 6: Final answer
    x = 10,261,078.73

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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.