Home / 11,104,400.30-16,656,600.45-5,428,265.90

Finding the Fourth Proportional to 11,104,400.30, 16,656,600.45 and 5,428,265.90

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Solution

The fourth proportional to 11,104,400.30, 16,656,600.45 and 5,428,265.90 is: 8,142,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104,400.30 : 16,656,600.45 = 5,428,265.90 : x
  2. Step 2: Convert to fraction form
    11,104,400.30/16,656,600.45 = 5,428,265.90/x
  3. Step 3: Cross multiply
    11,104,400.30x = 16,656,600.45 × 5,428,265.90
  4. Step 4: Simplify right side
    11,104,400.30x = 90,416,456,232,659.66
  5. Step 5: Solve for x
    x = 90,416,456,232,659.66/11,104,400.30
  6. Step 6: Final answer
    x = 8,142,398.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.