Home / 8,601,867.78-12,902,786.13-2,540,855.97

Finding the Fourth Proportional to 8,601,867.78, 12,902,786.13 and 2,540,855.97

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Solution

The fourth proportional to 8,601,867.78, 12,902,786.13 and 2,540,855.97 is: 3,811,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601,867.78 : 12,902,786.13 = 2,540,855.97 : x
  2. Step 2: Convert to fraction form
    8,601,867.78/12,902,786.13 = 2,540,855.97/x
  3. Step 3: Cross multiply
    8,601,867.78x = 12,902,786.13 × 2,540,855.97
  4. Step 4: Simplify right side
    8,601,867.78x = 32,784,121,168,043.70
  5. Step 5: Solve for x
    x = 32,784,121,168,043.70/8,601,867.78
  6. Step 6: Final answer
    x = 3,811,279.36

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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.