Home / 18,150,152.36-27,236,578.62-7,367,449.64

Finding the Fourth Proportional to 18,150,152.36, 27,236,578.62 and 7,367,449.64

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Solution

The fourth proportional to 18,150,152.36, 27,236,578.62 and 7,367,449.64 is: 11,055,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150,152.36 : 27,236,578.62 = 7,367,449.64 : x
  2. Step 2: Convert to fraction form
    18,150,152.36/27,236,578.62 = 7,367,449.64/x
  3. Step 3: Cross multiply
    18,150,152.36x = 27,236,578.62 × 7,367,449.64
  4. Step 4: Simplify right side
    18,150,152.36x = 200,664,121,348,750.69
  5. Step 5: Solve for x
    x = 200,664,121,348,750.69/18,150,152.36
  6. Step 6: Final answer
    x = 11,055,781.65

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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.