Home / 7,715,099.60-10,647,468.36-4,278,418.64

Finding the Fourth Proportional to 7,715,099.60, 10,647,468.36 and 4,278,418.64

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Solution

The fourth proportional to 7,715,099.60, 10,647,468.36 and 4,278,418.64 is: 5,904,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,099.60 : 10,647,468.36 = 4,278,418.64 : x
  2. Step 2: Convert to fraction form
    7,715,099.60/10,647,468.36 = 4,278,418.64/x
  3. Step 3: Cross multiply
    7,715,099.60x = 10,647,468.36 × 4,278,418.64
  4. Step 4: Simplify right side
    7,715,099.60x = 45,554,327,100,234.23
  5. Step 5: Solve for x
    x = 45,554,327,100,234.23/7,715,099.60
  6. Step 6: Final answer
    x = 5,904,567.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.