Home / 8,789,178.26-13,170,527.83-7,831,349.26

Finding the Fourth Proportional to 8,789,178.26, 13,170,527.83 and 7,831,349.26

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Solution

The fourth proportional to 8,789,178.26, 13,170,527.83 and 7,831,349.26 is: 11,735,227.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,178.26 : 13,170,527.83 = 7,831,349.26 : x
  2. Step 2: Convert to fraction form
    8,789,178.26/13,170,527.83 = 7,831,349.26/x
  3. Step 3: Cross multiply
    8,789,178.26x = 13,170,527.83 × 7,831,349.26
  4. Step 4: Simplify right side
    8,789,178.26x = 103,143,003,375,279.91
  5. Step 5: Solve for x
    x = 103,143,003,375,279.91/8,789,178.26
  6. Step 6: Final answer
    x = 11,735,227.15

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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.