Home / 8,029,921.32-12,019,687.74-4,231,889.64

Finding the Fourth Proportional to 8,029,921.32, 12,019,687.74 and 4,231,889.64

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Solution

The fourth proportional to 8,029,921.32, 12,019,687.74 and 4,231,889.64 is: 6,334,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029,921.32 : 12,019,687.74 = 4,231,889.64 : x
  2. Step 2: Convert to fraction form
    8,029,921.32/12,019,687.74 = 4,231,889.64/x
  3. Step 3: Cross multiply
    8,029,921.32x = 12,019,687.74 × 4,231,889.64
  4. Step 4: Simplify right side
    8,029,921.32x = 50,865,992,022,941.01
  5. Step 5: Solve for x
    x = 50,865,992,022,941.01/8,029,921.32
  6. Step 6: Final answer
    x = 6,334,556.72

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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.