Home / 21,067,677.60-29,061,754.32-17,151,646.20

Finding the Fourth Proportional to 21,067,677.60, 29,061,754.32 and 17,151,646.20

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Solution

The fourth proportional to 21,067,677.60, 29,061,754.32 and 17,151,646.20 is: 23,659,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067,677.60 : 29,061,754.32 = 17,151,646.20 : x
  2. Step 2: Convert to fraction form
    21,067,677.60/29,061,754.32 = 17,151,646.20/x
  3. Step 3: Cross multiply
    21,067,677.60x = 29,061,754.32 × 17,151,646.20
  4. Step 4: Simplify right side
    21,067,677.60x = 498,456,928,047,961.56
  5. Step 5: Solve for x
    x = 498,456,928,047,961.56/21,067,677.60
  6. Step 6: Final answer
    x = 23,659,794.76

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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.