Home / 20,292,264.90-30,438,397.35-15,449,508.79

Finding the Fourth Proportional to 20,292,264.90, 30,438,397.35 and 15,449,508.79

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Solution

The fourth proportional to 20,292,264.90, 30,438,397.35 and 15,449,508.79 is: 23,174,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292,264.90 : 30,438,397.35 = 15,449,508.79 : x
  2. Step 2: Convert to fraction form
    20,292,264.90/30,438,397.35 = 15,449,508.79/x
  3. Step 3: Cross multiply
    20,292,264.90x = 30,438,397.35 × 15,449,508.79
  4. Step 4: Simplify right side
    20,292,264.90x = 470,258,287,336,241.75
  5. Step 5: Solve for x
    x = 470,258,287,336,241.75/20,292,264.90
  6. Step 6: Final answer
    x = 23,174,263.18

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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.