Home / 12,231,620.60-18,359,240.70-7,448,651.60

Finding the Fourth Proportional to 12,231,620.60, 18,359,240.70 and 7,448,651.60

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Solution

The fourth proportional to 12,231,620.60, 18,359,240.70 and 7,448,651.60 is: 11,180,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,620.60 : 18,359,240.70 = 7,448,651.60 : x
  2. Step 2: Convert to fraction form
    12,231,620.60/18,359,240.70 = 7,448,651.60/x
  3. Step 3: Cross multiply
    12,231,620.60x = 18,359,240.70 × 7,448,651.60
  4. Step 4: Simplify right side
    12,231,620.60x = 136,751,587,614,840.11
  5. Step 5: Solve for x
    x = 136,751,587,614,840.11/12,231,620.60
  6. Step 6: Final answer
    x = 11,180,169.18

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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.