Home / 20,728,248.23-31,091,251.95-6,351,358.57

Finding the Fourth Proportional to 20,728,248.23, 31,091,251.95 and 6,351,358.57

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Solution

The fourth proportional to 20,728,248.23, 31,091,251.95 and 6,351,358.57 is: 9,526,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,728,248.23 : 31,091,251.95 = 6,351,358.57 : x
  2. Step 2: Convert to fraction form
    20,728,248.23/31,091,251.95 = 6,351,358.57/x
  3. Step 3: Cross multiply
    20,728,248.23x = 31,091,251.95 × 6,351,358.57
  4. Step 4: Simplify right side
    20,728,248.23x = 197,471,689,446,933.56
  5. Step 5: Solve for x
    x = 197,471,689,446,933.56/20,728,248.23
  6. Step 6: Final answer
    x = 9,526,694.55

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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.