Home / 21,407,716.71-29,542,664.25-11,618,158.59

Finding the Fourth Proportional to 21,407,716.71, 29,542,664.25 and 11,618,158.59

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Solution

The fourth proportional to 21,407,716.71, 29,542,664.25 and 11,618,158.59 is: 16,033,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407,716.71 : 29,542,664.25 = 11,618,158.59 : x
  2. Step 2: Convert to fraction form
    21,407,716.71/29,542,664.25 = 11,618,158.59/x
  3. Step 3: Cross multiply
    21,407,716.71x = 29,542,664.25 × 11,618,158.59
  4. Step 4: Simplify right side
    21,407,716.71x = 343,231,358,427,623.38
  5. Step 5: Solve for x
    x = 343,231,358,427,623.38/21,407,716.71
  6. Step 6: Final answer
    x = 16,033,067.10

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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.