Home / 8,279,791.60-11,416,333.44-5,667,554.56

Finding the Fourth Proportional to 8,279,791.60, 11,416,333.44 and 5,667,554.56

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Solution

The fourth proportional to 8,279,791.60, 11,416,333.44 and 5,667,554.56 is: 7,814,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,791.60 : 11,416,333.44 = 5,667,554.56 : x
  2. Step 2: Convert to fraction form
    8,279,791.60/11,416,333.44 = 5,667,554.56/x
  3. Step 3: Cross multiply
    8,279,791.60x = 11,416,333.44 × 5,667,554.56
  4. Step 4: Simplify right side
    8,279,791.60x = 64,702,692,646,352.48
  5. Step 5: Solve for x
    x = 64,702,692,646,352.48/8,279,791.60
  6. Step 6: Final answer
    x = 7,814,531.55

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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.