Home / 7,988,620.15-11,977,937.60-3,375,234.87

Finding the Fourth Proportional to 7,988,620.15, 11,977,937.60 and 3,375,234.87

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Solution

The fourth proportional to 7,988,620.15, 11,977,937.60 and 3,375,234.87 is: 5,060,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,620.15 : 11,977,937.60 = 3,375,234.87 : x
  2. Step 2: Convert to fraction form
    7,988,620.15/11,977,937.60 = 3,375,234.87/x
  3. Step 3: Cross multiply
    7,988,620.15x = 11,977,937.60 × 3,375,234.87
  4. Step 4: Simplify right side
    7,988,620.15x = 40,428,352,658,204.11
  5. Step 5: Solve for x
    x = 40,428,352,658,204.11/7,988,620.15
  6. Step 6: Final answer
    x = 5,060,742.89

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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.