Home / 18,554,786.40-27,784,940.40-17,704,480.80

Finding the Fourth Proportional to 18,554,786.40, 27,784,940.40 and 17,704,480.80

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Solution

The fourth proportional to 18,554,786.40, 27,784,940.40 and 17,704,480.80 is: 26,511,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554,786.40 : 27,784,940.40 = 17,704,480.80 : x
  2. Step 2: Convert to fraction form
    18,554,786.40/27,784,940.40 = 17,704,480.80/x
  3. Step 3: Cross multiply
    18,554,786.40x = 27,784,940.40 × 17,704,480.80
  4. Step 4: Simplify right side
    18,554,786.40x = 491,917,943,840,944.31
  5. Step 5: Solve for x
    x = 491,917,943,840,944.31/18,554,786.40
  6. Step 6: Final answer
    x = 26,511,646.82

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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.