Home / 21,842,407.62-30,143,163.11-11,919,930.97

Finding the Fourth Proportional to 21,842,407.62, 30,143,163.11 and 11,919,930.97

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Solution

The fourth proportional to 21,842,407.62, 30,143,163.11 and 11,919,930.97 is: 16,449,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842,407.62 : 30,143,163.11 = 11,919,930.97 : x
  2. Step 2: Convert to fraction form
    21,842,407.62/30,143,163.11 = 11,919,930.97/x
  3. Step 3: Cross multiply
    21,842,407.62x = 30,143,163.11 × 11,919,930.97
  4. Step 4: Simplify right side
    21,842,407.62x = 359,304,423,488,650.50
  5. Step 5: Solve for x
    x = 359,304,423,488,650.50/21,842,407.62
  6. Step 6: Final answer
    x = 16,449,854.33

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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.