Home / 20,941,541.44-31,412,078.82-8,171,016.64

Finding the Fourth Proportional to 20,941,541.44, 31,412,078.82 and 8,171,016.64

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Solution

The fourth proportional to 20,941,541.44, 31,412,078.82 and 8,171,016.64 is: 12,256,433.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,541.44 : 31,412,078.82 = 8,171,016.64 : x
  2. Step 2: Convert to fraction form
    20,941,541.44/31,412,078.82 = 8,171,016.64/x
  3. Step 3: Cross multiply
    20,941,541.44x = 31,412,078.82 × 8,171,016.64
  4. Step 4: Simplify right side
    20,941,541.44x = 256,668,618,735,211.56
  5. Step 5: Solve for x
    x = 256,668,618,735,211.56/20,941,541.44
  6. Step 6: Final answer
    x = 12,256,433.91

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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.