Home / 18,448,363.80-27,680,418.90-8,858,806.20

Finding the Fourth Proportional to 18,448,363.80, 27,680,418.90 and 8,858,806.20

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Solution

The fourth proportional to 18,448,363.80, 27,680,418.90 and 8,858,806.20 is: 13,291,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448,363.80 : 27,680,418.90 = 8,858,806.20 : x
  2. Step 2: Convert to fraction form
    18,448,363.80/27,680,418.90 = 8,858,806.20/x
  3. Step 3: Cross multiply
    18,448,363.80x = 27,680,418.90 × 8,858,806.20
  4. Step 4: Simplify right side
    18,448,363.80x = 245,215,466,569,917.16
  5. Step 5: Solve for x
    x = 245,215,466,569,917.16/18,448,363.80
  6. Step 6: Final answer
    x = 13,291,989.97

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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.