Home / 21,376,649.73-29,498,986.31-11,586,883.73

Finding the Fourth Proportional to 21,376,649.73, 29,498,986.31 and 11,586,883.73

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Solution

The fourth proportional to 21,376,649.73, 29,498,986.31 and 11,586,883.73 is: 15,989,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376,649.73 : 29,498,986.31 = 11,586,883.73 : x
  2. Step 2: Convert to fraction form
    21,376,649.73/29,498,986.31 = 11,586,883.73/x
  3. Step 3: Cross multiply
    21,376,649.73x = 29,498,986.31 × 11,586,883.73
  4. Step 4: Simplify right side
    21,376,649.73x = 341,801,324,408,304
  5. Step 5: Solve for x
    x = 341,801,324,408,304/21,376,649.73
  6. Step 6: Final answer
    x = 15,989,471.16

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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.