Home / 15,279,593.13-21,086,237.40-8,404,255.62

Finding the Fourth Proportional to 15,279,593.13, 21,086,237.40 and 8,404,255.62

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Solution

The fourth proportional to 15,279,593.13, 21,086,237.40 and 8,404,255.62 is: 11,598,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279,593.13 : 21,086,237.40 = 8,404,255.62 : x
  2. Step 2: Convert to fraction form
    15,279,593.13/21,086,237.40 = 8,404,255.62/x
  3. Step 3: Cross multiply
    15,279,593.13x = 21,086,237.40 × 8,404,255.62
  4. Step 4: Simplify right side
    15,279,593.13x = 177,214,129,173,604.16
  5. Step 5: Solve for x
    x = 177,214,129,173,604.16/15,279,593.13
  6. Step 6: Final answer
    x = 11,598,092.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.