Home / 15,202,367.10-20,979,007.38-8,232,988.14

Finding the Fourth Proportional to 15,202,367.10, 20,979,007.38 and 8,232,988.14

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Solution

The fourth proportional to 15,202,367.10, 20,979,007.38 and 8,232,988.14 is: 11,361,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,367.10 : 20,979,007.38 = 8,232,988.14 : x
  2. Step 2: Convert to fraction form
    15,202,367.10/20,979,007.38 = 8,232,988.14/x
  3. Step 3: Cross multiply
    15,202,367.10x = 20,979,007.38 × 8,232,988.14
  4. Step 4: Simplify right side
    15,202,367.10x = 172,719,918,948,512.47
  5. Step 5: Solve for x
    x = 172,719,918,948,512.47/15,202,367.10
  6. Step 6: Final answer
    x = 11,361,383.25

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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.