Home / 21,324,948.88-29,429,164.20-11,667,156.88

Finding the Fourth Proportional to 21,324,948.88, 29,429,164.20 and 11,667,156.88

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Solution

The fourth proportional to 21,324,948.88, 29,429,164.20 and 11,667,156.88 is: 16,101,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324,948.88 : 29,429,164.20 = 11,667,156.88 : x
  2. Step 2: Convert to fraction form
    21,324,948.88/29,429,164.20 = 11,667,156.88/x
  3. Step 3: Cross multiply
    21,324,948.88x = 29,429,164.20 × 11,667,156.88
  4. Step 4: Simplify right side
    21,324,948.88x = 343,354,675,568,679.69
  5. Step 5: Solve for x
    x = 343,354,675,568,679.69/21,324,948.88
  6. Step 6: Final answer
    x = 16,101,078.48

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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.