Home / 21,457,183.50-29,611,067.22-11,667,557.52

Finding the Fourth Proportional to 21,457,183.50, 29,611,067.22 and 11,667,557.52

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Solution

The fourth proportional to 21,457,183.50, 29,611,067.22 and 11,667,557.52 is: 16,101,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457,183.50 : 29,611,067.22 = 11,667,557.52 : x
  2. Step 2: Convert to fraction form
    21,457,183.50/29,611,067.22 = 11,667,557.52/x
  3. Step 3: Cross multiply
    21,457,183.50x = 29,611,067.22 × 11,667,557.52
  4. Step 4: Simplify right side
    21,457,183.50x = 345,488,830,017,936.44
  5. Step 5: Solve for x
    x = 345,488,830,017,936.44/21,457,183.50
  6. Step 6: Final answer
    x = 16,101,313.11

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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.