Home / 20,555,247.91-30,836,760.58-8,260,168.34

Finding the Fourth Proportional to 20,555,247.91, 30,836,760.58 and 8,260,168.34

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Solution

The fourth proportional to 20,555,247.91, 30,836,760.58 and 8,260,168.34 is: 12,391,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,555,247.91 : 30,836,760.58 = 8,260,168.34 : x
  2. Step 2: Convert to fraction form
    20,555,247.91/30,836,760.58 = 8,260,168.34/x
  3. Step 3: Cross multiply
    20,555,247.91x = 30,836,760.58 × 8,260,168.34
  4. Step 4: Simplify right side
    20,555,247.91x = 254,716,833,507,517.53
  5. Step 5: Solve for x
    x = 254,716,833,507,517.53/20,555,247.91
  6. Step 6: Final answer
    x = 12,391,815.20

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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.