Home / 7,679,421.62-11,520,850.57-2,887,152.41

Finding the Fourth Proportional to 7,679,421.62, 11,520,850.57 and 2,887,152.41

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Solution

The fourth proportional to 7,679,421.62, 11,520,850.57 and 2,887,152.41 is: 4,331,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,421.62 : 11,520,850.57 = 2,887,152.41 : x
  2. Step 2: Convert to fraction form
    7,679,421.62/11,520,850.57 = 2,887,152.41/x
  3. Step 3: Cross multiply
    7,679,421.62x = 11,520,850.57 × 2,887,152.41
  4. Step 4: Simplify right side
    7,679,421.62x = 33,262,451,488,425.38
  5. Step 5: Solve for x
    x = 33,262,451,488,425.38/7,679,421.62
  6. Step 6: Final answer
    x = 4,331,374.57

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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.