Home / 20,952,098.28-28,910,562.12-11,782,969.56

Finding the Fourth Proportional to 20,952,098.28, 28,910,562.12 and 11,782,969.56

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Solution

The fourth proportional to 20,952,098.28, 28,910,562.12 and 11,782,969.56 is: 16,258,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952,098.28 : 28,910,562.12 = 11,782,969.56 : x
  2. Step 2: Convert to fraction form
    20,952,098.28/28,910,562.12 = 11,782,969.56/x
  3. Step 3: Cross multiply
    20,952,098.28x = 28,910,562.12 × 11,782,969.56
  4. Step 4: Simplify right side
    20,952,098.28x = 340,652,273,422,449.12
  5. Step 5: Solve for x
    x = 340,652,273,422,449.12/20,952,098.28
  6. Step 6: Final answer
    x = 16,258,623.31

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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.