Home / 18,131,323.20-27,196,984.80-15,769,363.20

Finding the Fourth Proportional to 18,131,323.20, 27,196,984.80 and 15,769,363.20

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Solution

The fourth proportional to 18,131,323.20, 27,196,984.80 and 15,769,363.20 is: 23,654,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,323.20 : 27,196,984.80 = 15,769,363.20 : x
  2. Step 2: Convert to fraction form
    18,131,323.20/27,196,984.80 = 15,769,363.20/x
  3. Step 3: Cross multiply
    18,131,323.20x = 27,196,984.80 × 15,769,363.20
  4. Step 4: Simplify right side
    18,131,323.20x = 428,879,131,256,079.38
  5. Step 5: Solve for x
    x = 428,879,131,256,079.38/18,131,323.20
  6. Step 6: Final answer
    x = 23,654,044.80

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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.