Home / 7,912,780.43-11,867,509.87-2,231,676.14

Finding the Fourth Proportional to 7,912,780.43, 11,867,509.87 and 2,231,676.14

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Solution

The fourth proportional to 7,912,780.43, 11,867,509.87 and 2,231,676.14 is: 3,347,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,780.43 : 11,867,509.87 = 2,231,676.14 : x
  2. Step 2: Convert to fraction form
    7,912,780.43/11,867,509.87 = 2,231,676.14/x
  3. Step 3: Cross multiply
    7,912,780.43x = 11,867,509.87 × 2,231,676.14
  4. Step 4: Simplify right side
    7,912,780.43x = 26,484,438,618,093.50
  5. Step 5: Solve for x
    x = 26,484,438,618,093.50/7,912,780.43
  6. Step 6: Final answer
    x = 3,347,045.81

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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.