Home / 7,231,575.22-9,979,861.53-3,968,506.73

Finding the Fourth Proportional to 7,231,575.22, 9,979,861.53 and 3,968,506.73

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Solution

The fourth proportional to 7,231,575.22, 9,979,861.53 and 3,968,506.73 is: 5,476,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,575.22 : 9,979,861.53 = 3,968,506.73 : x
  2. Step 2: Convert to fraction form
    7,231,575.22/9,979,861.53 = 3,968,506.73/x
  3. Step 3: Cross multiply
    7,231,575.22x = 9,979,861.53 × 3,968,506.73
  4. Step 4: Simplify right side
    7,231,575.22x = 39,605,147,629,967.93
  5. Step 5: Solve for x
    x = 39,605,147,629,967.93/7,231,575.22
  6. Step 6: Final answer
    x = 5,476,697.18

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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.