Home / 11,475,333.68-17,212,982.06-7,870,170.80

Finding the Fourth Proportional to 11,475,333.68, 17,212,982.06 and 7,870,170.80

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Solution

The fourth proportional to 11,475,333.68, 17,212,982.06 and 7,870,170.80 is: 11,805,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475,333.68 : 17,212,982.06 = 7,870,170.80 : x
  2. Step 2: Convert to fraction form
    11,475,333.68/17,212,982.06 = 7,870,170.80/x
  3. Step 3: Cross multiply
    11,475,333.68x = 17,212,982.06 × 7,870,170.80
  4. Step 4: Simplify right side
    11,475,333.68x = 135,469,108,723,146.36
  5. Step 5: Solve for x
    x = 135,469,108,723,146.36/11,475,333.68
  6. Step 6: Final answer
    x = 11,805,243.54

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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.