Home / 11,902,855.80-17,856,908.10-3,816,204.60

Finding the Fourth Proportional to 11,902,855.80, 17,856,908.10 and 3,816,204.60

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Solution

The fourth proportional to 11,902,855.80, 17,856,908.10 and 3,816,204.60 is: 5,725,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,902,855.80 : 17,856,908.10 = 3,816,204.60 : x
  2. Step 2: Convert to fraction form
    11,902,855.80/17,856,908.10 = 3,816,204.60/x
  3. Step 3: Cross multiply
    11,902,855.80x = 17,856,908.10 × 3,816,204.60
  4. Step 4: Simplify right side
    11,902,855.80x = 68,145,614,832,997.27
  5. Step 5: Solve for x
    x = 68,145,614,832,997.27/11,902,855.80
  6. Step 6: Final answer
    x = 5,725,148.32

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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.