Home / 20,747,132.30-28,604,428.92-17,012,202.47

Finding the Fourth Proportional to 20,747,132.30, 28,604,428.92 and 17,012,202.47

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Solution

The fourth proportional to 20,747,132.30, 28,604,428.92 and 17,012,202.47 is: 23,455,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747,132.30 : 28,604,428.92 = 17,012,202.47 : x
  2. Step 2: Convert to fraction form
    20,747,132.30/28,604,428.92 = 17,012,202.47/x
  3. Step 3: Cross multiply
    20,747,132.30x = 28,604,428.92 × 17,012,202.47
  4. Step 4: Simplify right side
    20,747,132.30x = 486,624,336,325,763.44
  5. Step 5: Solve for x
    x = 486,624,336,325,763.44/20,747,132.30
  6. Step 6: Final answer
    x = 23,455,016.78

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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.