Home / 15,106,701.79-20,847,251.46-8,231,183.85

Finding the Fourth Proportional to 15,106,701.79, 20,847,251.46 and 8,231,183.85

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Solution

The fourth proportional to 15,106,701.79, 20,847,251.46 and 8,231,183.85 is: 11,359,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,701.79 : 20,847,251.46 = 8,231,183.85 : x
  2. Step 2: Convert to fraction form
    15,106,701.79/20,847,251.46 = 8,231,183.85/x
  3. Step 3: Cross multiply
    15,106,701.79x = 20,847,251.46 × 8,231,183.85
  4. Step 4: Simplify right side
    15,106,701.79x = 171,597,559,534,440.91
  5. Step 5: Solve for x
    x = 171,597,559,534,440.91/15,106,701.79
  6. Step 6: Final answer
    x = 11,359,035.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.