Home / 15,305,625.30-21,120,965.75-9,504,282.48

Finding the Fourth Proportional to 15,305,625.30, 21,120,965.75 and 9,504,282.48

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Solution

The fourth proportional to 15,305,625.30, 21,120,965.75 and 9,504,282.48 is: 13,115,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305,625.30 : 21,120,965.75 = 9,504,282.48 : x
  2. Step 2: Convert to fraction form
    15,305,625.30/21,120,965.75 = 9,504,282.48/x
  3. Step 3: Cross multiply
    15,305,625.30x = 21,120,965.75 × 9,504,282.48
  4. Step 4: Simplify right side
    15,305,625.30x = 200,739,624,690,883.66
  5. Step 5: Solve for x
    x = 200,739,624,690,883.66/15,305,625.30
  6. Step 6: Final answer
    x = 13,115,414.81

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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.