Home / 20,542,460.24-28,348,588.68-11,375,100.56

Finding the Fourth Proportional to 20,542,460.24, 28,348,588.68 and 11,375,100.56

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Solution

The fourth proportional to 20,542,460.24, 28,348,588.68 and 11,375,100.56 is: 15,697,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542,460.24 : 28,348,588.68 = 11,375,100.56 : x
  2. Step 2: Convert to fraction form
    20,542,460.24/28,348,588.68 = 11,375,100.56/x
  3. Step 3: Cross multiply
    20,542,460.24x = 28,348,588.68 × 11,375,100.56
  4. Step 4: Simplify right side
    20,542,460.24x = 322,468,046,969,077.69
  5. Step 5: Solve for x
    x = 322,468,046,969,077.69/20,542,460.24
  6. Step 6: Final answer
    x = 15,697,635.20

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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.