Home / 8,789,179.26-13,170,529.33-7,831,350.26

Finding the Fourth Proportional to 8,789,179.26, 13,170,529.33 and 7,831,350.26

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Solution

The fourth proportional to 8,789,179.26, 13,170,529.33 and 7,831,350.26 is: 11,735,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,179.26 : 13,170,529.33 = 7,831,350.26 : x
  2. Step 2: Convert to fraction form
    8,789,179.26/13,170,529.33 = 7,831,350.26/x
  3. Step 3: Cross multiply
    8,789,179.26x = 13,170,529.33 × 7,831,350.26
  4. Step 4: Simplify right side
    8,789,179.26x = 103,143,028,292,833.12
  5. Step 5: Solve for x
    x = 103,143,028,292,833.12/8,789,179.26
  6. Step 6: Final answer
    x = 11,735,228.65

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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.