Home / 15,488,997.03-21,375,219.15-8,519,854.23

Finding the Fourth Proportional to 15,488,997.03, 21,375,219.15 and 8,519,854.23

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Solution

The fourth proportional to 15,488,997.03, 21,375,219.15 and 8,519,854.23 is: 11,757,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488,997.03 : 21,375,219.15 = 8,519,854.23 : x
  2. Step 2: Convert to fraction form
    15,488,997.03/21,375,219.15 = 8,519,854.23/x
  3. Step 3: Cross multiply
    15,488,997.03x = 21,375,219.15 × 8,519,854.23
  4. Step 4: Simplify right side
    15,488,997.03x = 182,113,751,292,304.50
  5. Step 5: Solve for x
    x = 182,113,751,292,304.50/15,488,997.03
  6. Step 6: Final answer
    x = 11,757,620.65

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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.