Home / 8,162,721.38-12,244,080.25-2,975,719.78

Finding the Fourth Proportional to 8,162,721.38, 12,244,080.25 and 2,975,719.78

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Solution

The fourth proportional to 8,162,721.38, 12,244,080.25 and 2,975,719.78 is: 4,463,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162,721.38 : 12,244,080.25 = 2,975,719.78 : x
  2. Step 2: Convert to fraction form
    8,162,721.38/12,244,080.25 = 2,975,719.78/x
  3. Step 3: Cross multiply
    8,162,721.38x = 12,244,080.25 × 2,975,719.78
  4. Step 4: Simplify right side
    8,162,721.38x = 36,434,951,784,348.80
  5. Step 5: Solve for x
    x = 36,434,951,784,348.80/8,162,721.38
  6. Step 6: Final answer
    x = 4,463,579.01

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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.