Home / 13,324,611.72-18,418,953.78-11,888,540.04

Finding the Fourth Proportional to 13,324,611.72, 18,418,953.78 and 11,888,540.04

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Solution

The fourth proportional to 13,324,611.72, 18,418,953.78 and 11,888,540.04 is: 16,433,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324,611.72 : 18,418,953.78 = 11,888,540.04 : x
  2. Step 2: Convert to fraction form
    13,324,611.72/18,418,953.78 = 11,888,540.04/x
  3. Step 3: Cross multiply
    13,324,611.72x = 18,418,953.78 × 11,888,540.04
  4. Step 4: Simplify right side
    13,324,611.72x = 218,974,469,508,439.34
  5. Step 5: Solve for x
    x = 218,974,469,508,439.34/13,324,611.72
  6. Step 6: Final answer
    x = 16,433,834.93

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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.