Home / 15,305,622.30-21,120,961.61-9,504,279.48

Finding the Fourth Proportional to 15,305,622.30, 21,120,961.61 and 9,504,279.48

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Solution

The fourth proportional to 15,305,622.30, 21,120,961.61 and 9,504,279.48 is: 13,115,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305,622.30 : 21,120,961.61 = 9,504,279.48 : x
  2. Step 2: Convert to fraction form
    15,305,622.30/21,120,961.61 = 9,504,279.48/x
  3. Step 3: Cross multiply
    15,305,622.30x = 21,120,961.61 × 9,504,279.48
  4. Step 4: Simplify right side
    15,305,622.30x = 200,739,522,130,755.09
  5. Step 5: Solve for x
    x = 200,739,522,130,755.09/15,305,622.30
  6. Step 6: Final answer
    x = 13,115,410.68

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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.