Home / 12,469,161-17,219,327.40-11,789,839.23

Finding the Fourth Proportional to 12,469,161, 17,219,327.40 and 11,789,839.23

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Solution

The fourth proportional to 12,469,161, 17,219,327.40 and 11,789,839.23 is: 16,281,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,161 : 17,219,327.40 = 11,789,839.23 : x
  2. Step 2: Convert to fraction form
    12,469,161/17,219,327.40 = 11,789,839.23/x
  3. Step 3: Cross multiply
    12,469,161x = 17,219,327.40 × 11,789,839.23
  4. Step 4: Simplify right side
    12,469,161x = 203,013,101,694,733.91
  5. Step 5: Solve for x
    x = 203,013,101,694,733.91/12,469,161
  6. Step 6: Final answer
    x = 16,281,215.85

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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.