Home / 11,519,886.60-17,279,711.55-6,659,100.23

Finding the Fourth Proportional to 11,519,886.60, 17,279,711.55 and 6,659,100.23

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Solution

The fourth proportional to 11,519,886.60, 17,279,711.55 and 6,659,100.23 is: 9,988,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519,886.60 : 17,279,711.55 = 6,659,100.23 : x
  2. Step 2: Convert to fraction form
    11,519,886.60/17,279,711.55 = 6,659,100.23/x
  3. Step 3: Cross multiply
    11,519,886.60x = 17,279,711.55 × 6,659,100.23
  4. Step 4: Simplify right side
    11,519,886.60x = 115,067,331,070,540.09
  5. Step 5: Solve for x
    x = 115,067,331,070,540.09/11,519,886.60
  6. Step 6: Final answer
    x = 9,988,581.92

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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.