Home / 17,687,039.80-26,467,574.10-12,270,278.20

Finding the Fourth Proportional to 17,687,039.80, 26,467,574.10 and 12,270,278.20

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Solution

The fourth proportional to 17,687,039.80, 26,467,574.10 and 12,270,278.20 is: 18,361,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687,039.80 : 26,467,574.10 = 12,270,278.20 : x
  2. Step 2: Convert to fraction form
    17,687,039.80/26,467,574.10 = 12,270,278.20/x
  3. Step 3: Cross multiply
    17,687,039.80x = 26,467,574.10 × 12,270,278.20
  4. Step 4: Simplify right side
    17,687,039.80x = 324,764,497,486,114.62
  5. Step 5: Solve for x
    x = 324,764,497,486,114.62/17,687,039.80
  6. Step 6: Final answer
    x = 18,361,721.42

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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.