Home / 18,184,781.75-25,087,126.92-11,120,685.21

Finding the Fourth Proportional to 18,184,781.75, 25,087,126.92 and 11,120,685.21

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Solution

The fourth proportional to 18,184,781.75, 25,087,126.92 and 11,120,685.21 is: 15,341,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184,781.75 : 25,087,126.92 = 11,120,685.21 : x
  2. Step 2: Convert to fraction form
    18,184,781.75/25,087,126.92 = 11,120,685.21/x
  3. Step 3: Cross multiply
    18,184,781.75x = 25,087,126.92 × 11,120,685.21
  4. Step 4: Simplify right side
    18,184,781.75x = 278,986,041,258,934.31
  5. Step 5: Solve for x
    x = 278,986,041,258,934.31/18,184,781.75
  6. Step 6: Final answer
    x = 15,341,731.63

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1.5x scale

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.