Home / 20,656,183.88-30,983,154.51-6,278,130.65

Finding the Fourth Proportional to 20,656,183.88, 30,983,154.51 and 6,278,130.65

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Solution

The fourth proportional to 20,656,183.88, 30,983,154.51 and 6,278,130.65 is: 9,416,855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656,183.88 : 30,983,154.51 = 6,278,130.65 : x
  2. Step 2: Convert to fraction form
    20,656,183.88/30,983,154.51 = 6,278,130.65/x
  3. Step 3: Cross multiply
    20,656,183.88x = 30,983,154.51 × 6,278,130.65
  4. Step 4: Simplify right side
    20,656,183.88x = 194,516,292,063,917.62
  5. Step 5: Solve for x
    x = 194,516,292,063,917.62/20,656,183.88
  6. Step 6: Final answer
    x = 9,416,855.17

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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.