Home / 20,098,191.31-30,147,473.51-5,721,258.58

Finding the Fourth Proportional to 20,098,191.31, 30,147,473.51 and 5,721,258.58

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Solution

The fourth proportional to 20,098,191.31, 30,147,473.51 and 5,721,258.58 is: 8,581,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098,191.31 : 30,147,473.51 = 5,721,258.58 : x
  2. Step 2: Convert to fraction form
    20,098,191.31/30,147,473.51 = 5,721,258.58/x
  3. Step 3: Cross multiply
    20,098,191.31x = 30,147,473.51 × 5,721,258.58
  4. Step 4: Simplify right side
    20,098,191.31x = 172,481,491,484,410.22
  5. Step 5: Solve for x
    x = 172,481,491,484,410.22/20,098,191.31
  6. Step 6: Final answer
    x = 8,581,940.97

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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.