Home / 21,454,021.28-29,607,131.28-11,665,124

Finding the Fourth Proportional to 21,454,021.28, 29,607,131.28 and 11,665,124

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Solution

The fourth proportional to 21,454,021.28, 29,607,131.28 and 11,665,124 is: 16,098,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454,021.28 : 29,607,131.28 = 11,665,124 : x
  2. Step 2: Convert to fraction form
    21,454,021.28/29,607,131.28 = 11,665,124/x
  3. Step 3: Cross multiply
    21,454,021.28x = 29,607,131.28 × 11,665,124
  4. Step 4: Simplify right side
    21,454,021.28x = 345,370,857,665,478.75
  5. Step 5: Solve for x
    x = 345,370,857,665,478.75/21,454,021.28
  6. Step 6: Final answer
    x = 16,098,187.52

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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.