Home / 8,109,206.28-11,131,094.97-7,170,876.36

Finding the Fourth Proportional to 8,109,206.28, 11,131,094.97 and 7,170,876.36

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Solution

The fourth proportional to 8,109,206.28, 11,131,094.97 and 7,170,876.36 is: 9,843,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,206.28 : 11,131,094.97 = 7,170,876.36 : x
  2. Step 2: Convert to fraction form
    8,109,206.28/11,131,094.97 = 7,170,876.36/x
  3. Step 3: Cross multiply
    8,109,206.28x = 11,131,094.97 × 7,170,876.36
  4. Step 4: Simplify right side
    8,109,206.28x = 79,819,705,781,287.92
  5. Step 5: Solve for x
    x = 79,819,705,781,287.92/8,109,206.28
  6. Step 6: Final answer
    x = 9,843,097.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.