Home / 21,512,914.34-29,687,067.68-11,723,158.76

Finding the Fourth Proportional to 21,512,914.34, 29,687,067.68 and 11,723,158.76

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Solution

The fourth proportional to 21,512,914.34, 29,687,067.68 and 11,723,158.76 is: 16,177,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,512,914.34 : 29,687,067.68 = 11,723,158.76 : x
  2. Step 2: Convert to fraction form
    21,512,914.34/29,687,067.68 = 11,723,158.76/x
  3. Step 3: Cross multiply
    21,512,914.34x = 29,687,067.68 × 11,723,158.76
  4. Step 4: Simplify right side
    21,512,914.34x = 348,026,207,324,453.75
  5. Step 5: Solve for x
    x = 348,026,207,324,453.75/21,512,914.34
  6. Step 6: Final answer
    x = 16,177,548.14

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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.