Home / 21,325,032.26-29,428,524.41-11,535,453.86

Finding the Fourth Proportional to 21,325,032.26, 29,428,524.41 and 11,535,453.86

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Solution

The fourth proportional to 21,325,032.26, 29,428,524.41 and 11,535,453.86 is: 15,918,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,325,032.26 : 29,428,524.41 = 11,535,453.86 : x
  2. Step 2: Convert to fraction form
    21,325,032.26/29,428,524.41 = 11,535,453.86/x
  3. Step 3: Cross multiply
    21,325,032.26x = 29,428,524.41 × 11,535,453.86
  4. Step 4: Simplify right side
    21,325,032.26x = 339,471,385,441,761.44
  5. Step 5: Solve for x
    x = 339,471,385,441,761.44/21,325,032.26
  6. Step 6: Final answer
    x = 15,918,915.45

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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.