Home / 11,885,129.06-17,822,502.17-4,206,221.78

Finding the Fourth Proportional to 11,885,129.06, 17,822,502.17 and 4,206,221.78

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Solution

The fourth proportional to 11,885,129.06, 17,822,502.17 and 4,206,221.78 is: 6,307,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885,129.06 : 17,822,502.17 = 4,206,221.78 : x
  2. Step 2: Convert to fraction form
    11,885,129.06/17,822,502.17 = 4,206,221.78/x
  3. Step 3: Cross multiply
    11,885,129.06x = 17,822,502.17 × 4,206,221.78
  4. Step 4: Simplify right side
    11,885,129.06x = 74,965,396,780,520.16
  5. Step 5: Solve for x
    x = 74,965,396,780,520.16/11,885,129.06
  6. Step 6: Final answer
    x = 6,307,495.39

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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.