Home / 15,201,229.20-20,977,716.52-8,231,918.77

Finding the Fourth Proportional to 15,201,229.20, 20,977,716.52 and 8,231,918.77

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Solution

The fourth proportional to 15,201,229.20, 20,977,716.52 and 8,231,918.77 is: 11,360,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201,229.20 : 20,977,716.52 = 8,231,918.77 : x
  2. Step 2: Convert to fraction form
    15,201,229.20/20,977,716.52 = 8,231,918.77/x
  3. Step 3: Cross multiply
    15,201,229.20x = 20,977,716.52 × 8,231,918.77
  4. Step 4: Simplify right side
    15,201,229.20x = 172,686,858,372,727.06
  5. Step 5: Solve for x
    x = 172,686,858,372,727.06/15,201,229.20
  6. Step 6: Final answer
    x = 11,360,058.85

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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.