Home / 8,296,084.92-12,448,588.90-7,994,120.36

Finding the Fourth Proportional to 8,296,084.92, 12,448,588.90 and 7,994,120.36

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Solution

The fourth proportional to 8,296,084.92, 12,448,588.90 and 7,994,120.36 is: 11,995,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296,084.92 : 12,448,588.90 = 7,994,120.36 : x
  2. Step 2: Convert to fraction form
    8,296,084.92/12,448,588.90 = 7,994,120.36/x
  3. Step 3: Cross multiply
    8,296,084.92x = 12,448,588.90 × 7,994,120.36
  4. Step 4: Simplify right side
    8,296,084.92x = 99,515,517,978,760.02
  5. Step 5: Solve for x
    x = 99,515,517,978,760.02/8,296,084.92
  6. Step 6: Final answer
    x = 11,995,479.67

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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.