Home / 20,495,464.20-28,265,422.32-17,005,278.06

Finding the Fourth Proportional to 20,495,464.20, 28,265,422.32 and 17,005,278.06

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Solution

The fourth proportional to 20,495,464.20, 28,265,422.32 and 17,005,278.06 is: 23,452,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495,464.20 : 28,265,422.32 = 17,005,278.06 : x
  2. Step 2: Convert to fraction form
    20,495,464.20/28,265,422.32 = 17,005,278.06/x
  3. Step 3: Cross multiply
    20,495,464.20x = 28,265,422.32 × 17,005,278.06
  4. Step 4: Simplify right side
    20,495,464.20x = 480,661,366,034,930.25
  5. Step 5: Solve for x
    x = 480,661,366,034,930.25/20,495,464.20
  6. Step 6: Final answer
    x = 23,452,084.88

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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.