Home / 20,428,853.97-30,652,306.44-10,711,143.64

Finding the Fourth Proportional to 20,428,853.97, 30,652,306.44 and 10,711,143.64

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Solution

The fourth proportional to 20,428,853.97, 30,652,306.44 and 10,711,143.64 is: 16,071,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,428,853.97 : 30,652,306.44 = 10,711,143.64 : x
  2. Step 2: Convert to fraction form
    20,428,853.97/30,652,306.44 = 10,711,143.64/x
  3. Step 3: Cross multiply
    20,428,853.97x = 30,652,306.44 × 10,711,143.64
  4. Step 4: Simplify right side
    20,428,853.97x = 328,321,257,174,285.62
  5. Step 5: Solve for x
    x = 328,321,257,174,285.62/20,428,853.97
  6. Step 6: Final answer
    x = 16,071,447.65

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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.