Home / 18,121,600.80-27,182,401.20-7,344,064.80

Finding the Fourth Proportional to 18,121,600.80, 27,182,401.20 and 7,344,064.80

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Solution

The fourth proportional to 18,121,600.80, 27,182,401.20 and 7,344,064.80 is: 11,016,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,600.80 : 27,182,401.20 = 7,344,064.80 : x
  2. Step 2: Convert to fraction form
    18,121,600.80/27,182,401.20 = 7,344,064.80/x
  3. Step 3: Cross multiply
    18,121,600.80x = 27,182,401.20 × 7,344,064.80
  4. Step 4: Simplify right side
    18,121,600.80x = 199,629,315,832,397.75
  5. Step 5: Solve for x
    x = 199,629,315,832,397.75/18,121,600.80
  6. Step 6: Final answer
    x = 11,016,097.20

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1.5x scale

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.