Home / 18,288,668.80-27,379,189.14-12,208,319.56

Finding the Fourth Proportional to 18,288,668.80, 27,379,189.14 and 12,208,319.56

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Solution

The fourth proportional to 18,288,668.80, 27,379,189.14 and 12,208,319.56 is: 18,276,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288,668.80 : 27,379,189.14 = 12,208,319.56 : x
  2. Step 2: Convert to fraction form
    18,288,668.80/27,379,189.14 = 12,208,319.56/x
  3. Step 3: Cross multiply
    18,288,668.80x = 27,379,189.14 × 12,208,319.56
  4. Step 4: Simplify right side
    18,288,668.80x = 334,253,890,314,801.62
  5. Step 5: Solve for x
    x = 334,253,890,314,801.62/18,288,668.80
  6. Step 6: Final answer
    x = 18,276,556.59

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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.