Home / 8,378,034.40-12,558,757.20-4,114,712.80

Finding the Fourth Proportional to 8,378,034.40, 12,558,757.20 and 4,114,712.80

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Solution

The fourth proportional to 8,378,034.40, 12,558,757.20 and 4,114,712.80 is: 6,167,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,034.40 : 12,558,757.20 = 4,114,712.80 : x
  2. Step 2: Convert to fraction form
    8,378,034.40/12,558,757.20 = 4,114,712.80/x
  3. Step 3: Cross multiply
    8,378,034.40x = 12,558,757.20 × 4,114,712.80
  4. Step 4: Simplify right side
    8,378,034.40x = 51,675,679,002,932.16
  5. Step 5: Solve for x
    x = 51,675,679,002,932.16/8,378,034.40
  6. Step 6: Final answer
    x = 6,167,995.56

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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.