Home / 8,558,515.22-11,811,960.69-5,296,380.62

Finding the Fourth Proportional to 8,558,515.22, 11,811,960.69 and 5,296,380.62

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Solution

The fourth proportional to 8,558,515.22, 11,811,960.69 and 5,296,380.62 is: 7,309,753.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558,515.22 : 11,811,960.69 = 5,296,380.62 : x
  2. Step 2: Convert to fraction form
    8,558,515.22/11,811,960.69 = 5,296,380.62/x
  3. Step 3: Cross multiply
    8,558,515.22x = 11,811,960.69 × 5,296,380.62
  4. Step 4: Simplify right side
    8,558,515.22x = 62,560,639,682,717.83
  5. Step 5: Solve for x
    x = 62,560,639,682,717.83/8,558,515.22
  6. Step 6: Final answer
    x = 7,309,753.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.