Home / 21,743,992.56-30,006,728.94-11,954,603.28

Finding the Fourth Proportional to 21,743,992.56, 30,006,728.94 and 11,954,603.28

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Solution

The fourth proportional to 21,743,992.56, 30,006,728.94 and 11,954,603.28 is: 16,497,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,992.56 : 30,006,728.94 = 11,954,603.28 : x
  2. Step 2: Convert to fraction form
    21,743,992.56/30,006,728.94 = 11,954,603.28/x
  3. Step 3: Cross multiply
    21,743,992.56x = 30,006,728.94 × 11,954,603.28
  4. Step 4: Simplify right side
    21,743,992.56x = 358,718,540,208,194.94
  5. Step 5: Solve for x
    x = 358,718,540,208,194.94/21,743,992.56
  6. Step 6: Final answer
    x = 16,497,363.09

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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.