Home / 20,656,200.13-30,983,178.90-6,278,146.91

Finding the Fourth Proportional to 20,656,200.13, 30,983,178.90 and 6,278,146.91

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Solution

The fourth proportional to 20,656,200.13, 30,983,178.90 and 6,278,146.91 is: 9,416,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656,200.13 : 30,983,178.90 = 6,278,146.91 : x
  2. Step 2: Convert to fraction form
    20,656,200.13/30,983,178.90 = 6,278,146.91/x
  3. Step 3: Cross multiply
    20,656,200.13x = 30,983,178.90 × 6,278,146.91
  4. Step 4: Simplify right side
    20,656,200.13x = 194,516,948,873,012.19
  5. Step 5: Solve for x
    x = 194,516,948,873,012.19/20,656,200.13
  6. Step 6: Final answer
    x = 9,416,879.56

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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.