Home / 15,040,865.25-20,756,645.55-8,165,347.29

Finding the Fourth Proportional to 15,040,865.25, 20,756,645.55 and 8,165,347.29

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Solution

The fourth proportional to 15,040,865.25, 20,756,645.55 and 8,165,347.29 is: 11,268,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040,865.25 : 20,756,645.55 = 8,165,347.29 : x
  2. Step 2: Convert to fraction form
    15,040,865.25/20,756,645.55 = 8,165,347.29/x
  3. Step 3: Cross multiply
    15,040,865.25x = 20,756,645.55 × 8,165,347.29
  4. Step 4: Simplify right side
    15,040,865.25x = 169,485,219,491,183.06
  5. Step 5: Solve for x
    x = 169,485,219,491,183.06/15,040,865.25
  6. Step 6: Final answer
    x = 11,268,315.80

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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.