Home / 31,681,265.13-43,739,891.87-21,775,204.89

Finding the Fourth Proportional to 31,681,265.13, 43,739,891.87 and 21,775,204.89

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Solution

The fourth proportional to 31,681,265.13, 43,739,891.87 and 21,775,204.89 is: 30,063,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681,265.13 : 43,739,891.87 = 21,775,204.89 : x
  2. Step 2: Convert to fraction form
    31,681,265.13/43,739,891.87 = 21,775,204.89/x
  3. Step 3: Cross multiply
    31,681,265.13x = 43,739,891.87 × 21,775,204.89
  4. Step 4: Simplify right side
    31,681,265.13x = 952,445,107,226,819.25
  5. Step 5: Solve for x
    x = 952,445,107,226,819.25/31,681,265.13
  6. Step 6: Final answer
    x = 30,063,354.58

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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.