Home / 8,738,220.80-13,135,324.80-6,231,238.40

Finding the Fourth Proportional to 8,738,220.80, 13,135,324.80 and 6,231,238.40

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Solution

The fourth proportional to 8,738,220.80, 13,135,324.80 and 6,231,238.40 is: 9,366,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738,220.80 : 13,135,324.80 = 6,231,238.40 : x
  2. Step 2: Convert to fraction form
    8,738,220.80/13,135,324.80 = 6,231,238.40/x
  3. Step 3: Cross multiply
    8,738,220.80x = 13,135,324.80 × 6,231,238.40
  4. Step 4: Simplify right side
    8,738,220.80x = 81,849,340,290,232.33
  5. Step 5: Solve for x
    x = 81,849,340,290,232.33/8,738,220.80
  6. Step 6: Final answer
    x = 9,366,819.88

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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.