Home / 12,393,119.80-18,589,679.70-9,558,767.80

Finding the Fourth Proportional to 12,393,119.80, 18,589,679.70 and 9,558,767.80

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Solution

The fourth proportional to 12,393,119.80, 18,589,679.70 and 9,558,767.80 is: 14,338,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,119.80 : 18,589,679.70 = 9,558,767.80 : x
  2. Step 2: Convert to fraction form
    12,393,119.80/18,589,679.70 = 9,558,767.80/x
  3. Step 3: Cross multiply
    12,393,119.80x = 18,589,679.70 × 9,558,767.80
  4. Step 4: Simplify right side
    12,393,119.80x = 177,694,431,728,673.66
  5. Step 5: Solve for x
    x = 177,694,431,728,673.66/12,393,119.80
  6. Step 6: Final answer
    x = 14,338,151.70

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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.