Home / 18,449,604.38-25,460,658.79-10,189,474.88

Finding the Fourth Proportional to 18,449,604.38, 25,460,658.79 and 10,189,474.88

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Solution

The fourth proportional to 18,449,604.38, 25,460,658.79 and 10,189,474.88 is: 14,061,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449,604.38 : 25,460,658.79 = 10,189,474.88 : x
  2. Step 2: Convert to fraction form
    18,449,604.38/25,460,658.79 = 10,189,474.88/x
  3. Step 3: Cross multiply
    18,449,604.38x = 25,460,658.79 × 10,189,474.88
  4. Step 4: Simplify right side
    18,449,604.38x = 259,430,743,016,179.22
  5. Step 5: Solve for x
    x = 259,430,743,016,179.22/18,449,604.38
  6. Step 6: Final answer
    x = 14,061,588.40

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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.