Home / 18,242,839.31-25,175,120.56-9,982,903.29

Finding the Fourth Proportional to 18,242,839.31, 25,175,120.56 and 9,982,903.29

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Solution

The fourth proportional to 18,242,839.31, 25,175,120.56 and 9,982,903.29 is: 13,776,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,839.31 : 25,175,120.56 = 9,982,903.29 : x
  2. Step 2: Convert to fraction form
    18,242,839.31/25,175,120.56 = 9,982,903.29/x
  3. Step 3: Cross multiply
    18,242,839.31x = 25,175,120.56 × 9,982,903.29
  4. Step 4: Simplify right side
    18,242,839.31x = 251,320,793,745,206.72
  5. Step 5: Solve for x
    x = 251,320,793,745,206.72/18,242,839.31
  6. Step 6: Final answer
    x = 13,776,407.80

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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.