Home / 26,190,961.20-39,291,208.52-8,918,279.42

Finding the Fourth Proportional to 26,190,961.20, 39,291,208.52 and 8,918,279.42

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Solution

The fourth proportional to 26,190,961.20, 39,291,208.52 and 8,918,279.42 is: 13,379,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190,961.20 : 39,291,208.52 = 8,918,279.42 : x
  2. Step 2: Convert to fraction form
    26,190,961.20/39,291,208.52 = 8,918,279.42/x
  3. Step 3: Cross multiply
    26,190,961.20x = 39,291,208.52 × 8,918,279.42
  4. Step 4: Simplify right side
    26,190,961.20x = 350,409,976,089,797.19
  5. Step 5: Solve for x
    x = 350,409,976,089,797.19/26,190,961.20
  6. Step 6: Final answer
    x = 13,379,042.24

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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.