Home / 12,901,170.33-19,363,712.90-6,515,906.76

Finding the Fourth Proportional to 12,901,170.33, 19,363,712.90 and 6,515,906.76

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Solution

The fourth proportional to 12,901,170.33, 19,363,712.90 and 6,515,906.76 is: 9,779,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901,170.33 : 19,363,712.90 = 6,515,906.76 : x
  2. Step 2: Convert to fraction form
    12,901,170.33/19,363,712.90 = 6,515,906.76/x
  3. Step 3: Cross multiply
    12,901,170.33x = 19,363,712.90 × 6,515,906.76
  4. Step 4: Simplify right side
    12,901,170.33x = 126,172,147,751,229.66
  5. Step 5: Solve for x
    x = 126,172,147,751,229.66/12,901,170.33
  6. Step 6: Final answer
    x = 9,779,899.38

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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.