Home / 8,214,296.57-12,296,221.79-5,167,396.25

Finding the Fourth Proportional to 8,214,296.57, 12,296,221.79 and 5,167,396.25

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Solution

The fourth proportional to 8,214,296.57, 12,296,221.79 and 5,167,396.25 is: 7,735,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214,296.57 : 12,296,221.79 = 5,167,396.25 : x
  2. Step 2: Convert to fraction form
    8,214,296.57/12,296,221.79 = 5,167,396.25/x
  3. Step 3: Cross multiply
    8,214,296.57x = 12,296,221.79 × 5,167,396.25
  4. Step 4: Simplify right side
    8,214,296.57x = 63,539,450,279,496.20
  5. Step 5: Solve for x
    x = 63,539,450,279,496.20/8,214,296.57
  6. Step 6: Final answer
    x = 7,735,227.21

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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.