Home / 20,656,184.88-30,983,156.01-6,278,131.65

Finding the Fourth Proportional to 20,656,184.88, 30,983,156.01 and 6,278,131.65

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Solution

The fourth proportional to 20,656,184.88, 30,983,156.01 and 6,278,131.65 is: 9,416,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656,184.88 : 30,983,156.01 = 6,278,131.65 : x
  2. Step 2: Convert to fraction form
    20,656,184.88/30,983,156.01 = 6,278,131.65/x
  3. Step 3: Cross multiply
    20,656,184.88x = 30,983,156.01 × 6,278,131.65
  4. Step 4: Simplify right side
    20,656,184.88x = 194,516,332,363,268.75
  5. Step 5: Solve for x
    x = 194,516,332,363,268.75/20,656,184.88
  6. Step 6: Final answer
    x = 9,416,856.67

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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.