Home / 21,067,679.58-29,061,757.08-17,151,648.18

Finding the Fourth Proportional to 21,067,679.58, 29,061,757.08 and 17,151,648.18

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Solution

The fourth proportional to 21,067,679.58, 29,061,757.08 and 17,151,648.18 is: 23,659,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067,679.58 : 29,061,757.08 = 17,151,648.18 : x
  2. Step 2: Convert to fraction form
    21,067,679.58/29,061,757.08 = 17,151,648.18/x
  3. Step 3: Cross multiply
    21,067,679.58x = 29,061,757.08 × 17,151,648.18
  4. Step 4: Simplify right side
    21,067,679.58x = 498,457,032,928,784.06
  5. Step 5: Solve for x
    x = 498,457,032,928,784.06/21,067,679.58
  6. Step 6: Final answer
    x = 23,659,797.51

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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.