Home / 20,926,853.60-31,373,340.87-6,542,517.20

Finding the Fourth Proportional to 20,926,853.60, 31,373,340.87 and 6,542,517.20

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Solution

The fourth proportional to 20,926,853.60, 31,373,340.87 and 6,542,517.20 is: 9,808,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926,853.60 : 31,373,340.87 = 6,542,517.20 : x
  2. Step 2: Convert to fraction form
    20,926,853.60/31,373,340.87 = 6,542,517.20/x
  3. Step 3: Cross multiply
    20,926,853.60x = 31,373,340.87 × 6,542,517.20
  4. Step 4: Simplify right side
    20,926,853.60x = 205,260,622,230,725.38
  5. Step 5: Solve for x
    x = 205,260,622,230,725.38/20,926,853.60
  6. Step 6: Final answer
    x = 9,808,479.87

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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.