Home / 20,296,951.52-27,982,697.28-16,124,480.64

Finding the Fourth Proportional to 20,296,951.52, 27,982,697.28 and 16,124,480.64

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Solution

The fourth proportional to 20,296,951.52, 27,982,697.28 and 16,124,480.64 is: 22,230,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296,951.52 : 27,982,697.28 = 16,124,480.64 : x
  2. Step 2: Convert to fraction form
    20,296,951.52/27,982,697.28 = 16,124,480.64/x
  3. Step 3: Cross multiply
    20,296,951.52x = 27,982,697.28 × 16,124,480.64
  4. Step 4: Simplify right side
    20,296,951.52x = 451,206,460,546,340.69
  5. Step 5: Solve for x
    x = 451,206,460,546,340.69/20,296,951.52
  6. Step 6: Final answer
    x = 22,230,257.59

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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.