Home / 8,619,919.75-12,929,944.43-3,826,320.31

Finding the Fourth Proportional to 8,619,919.75, 12,929,944.43 and 3,826,320.31

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Solution

The fourth proportional to 8,619,919.75, 12,929,944.43 and 3,826,320.31 is: 5,739,509.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,919.75 : 12,929,944.43 = 3,826,320.31 : x
  2. Step 2: Convert to fraction form
    8,619,919.75/12,929,944.43 = 3,826,320.31/x
  3. Step 3: Cross multiply
    8,619,919.75x = 12,929,944.43 × 3,826,320.31
  4. Step 4: Simplify right side
    8,619,919.75x = 49,474,108,979,680.38
  5. Step 5: Solve for x
    x = 49,474,108,979,680.38/8,619,919.75
  6. Step 6: Final answer
    x = 5,739,509.23

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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.