Home / 9,122,856.75-12,522,481.42-8,067,235.59

Finding the Fourth Proportional to 9,122,856.75, 12,522,481.42 and 8,067,235.59

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Solution

The fourth proportional to 9,122,856.75, 12,522,481.42 and 8,067,235.59 is: 11,073,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122,856.75 : 12,522,481.42 = 8,067,235.59 : x
  2. Step 2: Convert to fraction form
    9,122,856.75/12,522,481.42 = 8,067,235.59/x
  3. Step 3: Cross multiply
    9,122,856.75x = 12,522,481.42 × 8,067,235.59
  4. Step 4: Simplify right side
    9,122,856.75x = 101,021,807,777,507.77
  5. Step 5: Solve for x
    x = 101,021,807,777,507.77/9,122,856.75
  6. Step 6: Final answer
    x = 11,073,483.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.