Home / 18,431,999.80-27,647,999.70-15,910,502.20

Finding the Fourth Proportional to 18,431,999.80, 27,647,999.70 and 15,910,502.20

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Solution

The fourth proportional to 18,431,999.80, 27,647,999.70 and 15,910,502.20 is: 23,865,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431,999.80 : 27,647,999.70 = 15,910,502.20 : x
  2. Step 2: Convert to fraction form
    18,431,999.80/27,647,999.70 = 15,910,502.20/x
  3. Step 3: Cross multiply
    18,431,999.80x = 27,647,999.70 × 15,910,502.20
  4. Step 4: Simplify right side
    18,431,999.80x = 439,893,560,052,449.31
  5. Step 5: Solve for x
    x = 439,893,560,052,449.31/18,431,999.80
  6. Step 6: Final answer
    x = 23,865,753.30

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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.