Home / 20,795,843.16-31,181,757.66-6,415,049.88

Finding the Fourth Proportional to 20,795,843.16, 31,181,757.66 and 6,415,049.88

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Solution

The fourth proportional to 20,795,843.16, 31,181,757.66 and 6,415,049.88 is: 9,618,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795,843.16 : 31,181,757.66 = 6,415,049.88 : x
  2. Step 2: Convert to fraction form
    20,795,843.16/31,181,757.66 = 6,415,049.88/x
  3. Step 3: Cross multiply
    20,795,843.16x = 31,181,757.66 × 6,415,049.88
  4. Step 4: Simplify right side
    20,795,843.16x = 200,032,530,734,972.09
  5. Step 5: Solve for x
    x = 200,032,530,734,972.09/20,795,843.16
  6. Step 6: Final answer
    x = 9,618,870.91

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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.