Home / 8,188,866.96-12,282,857.28-2,509,107.72

Finding the Fourth Proportional to 8,188,866.96, 12,282,857.28 and 2,509,107.72

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Solution

The fourth proportional to 8,188,866.96, 12,282,857.28 and 2,509,107.72 is: 3,763,525.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,866.96 : 12,282,857.28 = 2,509,107.72 : x
  2. Step 2: Convert to fraction form
    8,188,866.96/12,282,857.28 = 2,509,107.72/x
  3. Step 3: Cross multiply
    8,188,866.96x = 12,282,857.28 × 2,509,107.72
  4. Step 4: Simplify right side
    8,188,866.96x = 30,819,012,024,906.20
  5. Step 5: Solve for x
    x = 30,819,012,024,906.20/8,188,866.96
  6. Step 6: Final answer
    x = 3,763,525.79

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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.