Home / 18,626,337.54-27,939,514.05-8,379,228.33

Finding the Fourth Proportional to 18,626,337.54, 27,939,514.05 and 8,379,228.33

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Solution

The fourth proportional to 18,626,337.54, 27,939,514.05 and 8,379,228.33 is: 12,568,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626,337.54 : 27,939,514.05 = 8,379,228.33 : x
  2. Step 2: Convert to fraction form
    18,626,337.54/27,939,514.05 = 8,379,228.33/x
  3. Step 3: Cross multiply
    18,626,337.54x = 27,939,514.05 × 8,379,228.33
  4. Step 4: Simplify right side
    18,626,337.54x = 234,111,567,654,193.03
  5. Step 5: Solve for x
    x = 234,111,567,654,193.03/18,626,337.54
  6. Step 6: Final answer
    x = 12,568,845.98

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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.