Home / 21,561,227.45-29,754,339.83-11,771,671.33

Finding the Fourth Proportional to 21,561,227.45, 29,754,339.83 and 11,771,671.33

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Solution

The fourth proportional to 21,561,227.45, 29,754,339.83 and 11,771,671.33 is: 16,244,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,227.45 : 29,754,339.83 = 11,771,671.33 : x
  2. Step 2: Convert to fraction form
    21,561,227.45/29,754,339.83 = 11,771,671.33/x
  3. Step 3: Cross multiply
    21,561,227.45x = 29,754,339.83 × 11,771,671.33
  4. Step 4: Simplify right side
    21,561,227.45x = 350,258,308,986,643.88
  5. Step 5: Solve for x
    x = 350,258,308,986,643.88/21,561,227.45
  6. Step 6: Final answer
    x = 16,244,822.33

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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.