Home / 20,650,964.42-28,498,345.45-11,359,241.37

Finding the Fourth Proportional to 20,650,964.42, 28,498,345.45 and 11,359,241.37

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Solution

The fourth proportional to 20,650,964.42, 28,498,345.45 and 11,359,241.37 is: 15,675,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650,964.42 : 28,498,345.45 = 11,359,241.37 : x
  2. Step 2: Convert to fraction form
    20,650,964.42/28,498,345.45 = 11,359,241.37/x
  3. Step 3: Cross multiply
    20,650,964.42x = 28,498,345.45 × 11,359,241.37
  4. Step 4: Simplify right side
    20,650,964.42x = 323,719,584,583,793.19
  5. Step 5: Solve for x
    x = 323,719,584,583,793.19/20,650,964.42
  6. Step 6: Final answer
    x = 15,675,761.09

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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.