Home / 26,504,891.80-39,757,337.70-21,717,986.20

Finding the Fourth Proportional to 26,504,891.80, 39,757,337.70 and 21,717,986.20

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Solution

The fourth proportional to 26,504,891.80, 39,757,337.70 and 21,717,986.20 is: 32,576,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,504,891.80 : 39,757,337.70 = 21,717,986.20 : x
  2. Step 2: Convert to fraction form
    26,504,891.80/39,757,337.70 = 21,717,986.20/x
  3. Step 3: Cross multiply
    26,504,891.80x = 39,757,337.70 × 21,717,986.20
  4. Step 4: Simplify right side
    26,504,891.80x = 863,449,311,517,339.75
  5. Step 5: Solve for x
    x = 863,449,311,517,339.75/26,504,891.80
  6. Step 6: Final answer
    x = 32,576,979.30

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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.