Home / 31,489,481.01-47,378,301.08-18,719,544.27

Finding the Fourth Proportional to 31,489,481.01, 47,378,301.08 and 18,719,544.27

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Solution

The fourth proportional to 31,489,481.01, 47,378,301.08 and 18,719,544.27 is: 28,164,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,489,481.01 : 47,378,301.08 = 18,719,544.27 : x
  2. Step 2: Convert to fraction form
    31,489,481.01/47,378,301.08 = 18,719,544.27/x
  3. Step 3: Cross multiply
    31,489,481.01x = 47,378,301.08 × 18,719,544.27
  4. Step 4: Simplify right side
    31,489,481.01x = 886,900,204,410,851.12
  5. Step 5: Solve for x
    x = 886,900,204,410,851.12/31,489,481.01
  6. Step 6: Final answer
    x = 28,164,967.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.