Home / 27,642,841.65-41,431,986-20,797,429.59

Finding the Fourth Proportional to 27,642,841.65, 41,431,986 and 20,797,429.59

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Solution

The fourth proportional to 27,642,841.65, 41,431,986 and 20,797,429.59 is: 31,171,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642,841.65 : 41,431,986 = 20,797,429.59 : x
  2. Step 2: Convert to fraction form
    27,642,841.65/41,431,986 = 20,797,429.59/x
  3. Step 3: Cross multiply
    27,642,841.65x = 41,431,986 × 20,797,429.59
  4. Step 4: Simplify right side
    27,642,841.65x = 861,678,811,608,865.75
  5. Step 5: Solve for x
    x = 861,678,811,608,865.75/27,642,841.65
  6. Step 6: Final answer
    x = 31,171,860.78

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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.