Home / 20,070,078-27,694,357.95-11,808,323.22

Finding the Fourth Proportional to 20,070,078, 27,694,357.95 and 11,808,323.22

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Solution

The fourth proportional to 20,070,078, 27,694,357.95 and 11,808,323.22 is: 16,294,103.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070,078 : 27,694,357.95 = 11,808,323.22 : x
  2. Step 2: Convert to fraction form
    20,070,078/27,694,357.95 = 11,808,323.22/x
  3. Step 3: Cross multiply
    20,070,078x = 27,694,357.95 × 11,808,323.22
  4. Step 4: Simplify right side
    20,070,078x = 327,023,930,043,976.62
  5. Step 5: Solve for x
    x = 327,023,930,043,976.62/20,070,078
  6. Step 6: Final answer
    x = 16,294,103.59

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1.5x scale

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.