Home / 12,592,729.92-18,892,393.97-3,956,481.57

Finding the Fourth Proportional to 12,592,729.92, 18,892,393.97 and 3,956,481.57

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Solution

The fourth proportional to 12,592,729.92, 18,892,393.97 and 3,956,481.57 is: 5,935,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592,729.92 : 18,892,393.97 = 3,956,481.57 : x
  2. Step 2: Convert to fraction form
    12,592,729.92/18,892,393.97 = 3,956,481.57/x
  3. Step 3: Cross multiply
    12,592,729.92x = 18,892,393.97 × 3,956,481.57
  4. Step 4: Simplify right side
    12,592,729.92x = 74,747,408,555,484.12
  5. Step 5: Solve for x
    x = 74,747,408,555,484.12/12,592,729.92
  6. Step 6: Final answer
    x = 5,935,758.89

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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.