Home / 15,741,797.38-21,729,115.29-9,217,523.86

Finding the Fourth Proportional to 15,741,797.38, 21,729,115.29 and 9,217,523.86

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Solution

The fourth proportional to 15,741,797.38, 21,729,115.29 and 9,217,523.86 is: 12,723,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741,797.38 : 21,729,115.29 = 9,217,523.86 : x
  2. Step 2: Convert to fraction form
    15,741,797.38/21,729,115.29 = 9,217,523.86/x
  3. Step 3: Cross multiply
    15,741,797.38x = 21,729,115.29 × 9,217,523.86
  4. Step 4: Simplify right side
    15,741,797.38x = 200,288,638,642,265.81
  5. Step 5: Solve for x
    x = 200,288,638,642,265.81/15,741,797.38
  6. Step 6: Final answer
    x = 12,723,365.31

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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.