Home / 8,291,704.20-12,437,556.30-7,414,826.55

Finding the Fourth Proportional to 8,291,704.20, 12,437,556.30 and 7,414,826.55

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Solution

The fourth proportional to 8,291,704.20, 12,437,556.30 and 7,414,826.55 is: 11,122,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291,704.20 : 12,437,556.30 = 7,414,826.55 : x
  2. Step 2: Convert to fraction form
    8,291,704.20/12,437,556.30 = 7,414,826.55/x
  3. Step 3: Cross multiply
    8,291,704.20x = 12,437,556.30 × 7,414,826.55
  4. Step 4: Simplify right side
    8,291,704.20x = 92,222,322,670,359.77
  5. Step 5: Solve for x
    x = 92,222,322,670,359.77/8,291,704.20
  6. Step 6: Final answer
    x = 11,122,239.83

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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.