Home / 21,033,876.97-31,554,301.74-7,383,481.57

Finding the Fourth Proportional to 21,033,876.97, 31,554,301.74 and 7,383,481.57

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Solution

The fourth proportional to 21,033,876.97, 31,554,301.74 and 7,383,481.57 is: 11,076,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,876.97 : 31,554,301.74 = 7,383,481.57 : x
  2. Step 2: Convert to fraction form
    21,033,876.97/31,554,301.74 = 7,383,481.57/x
  3. Step 3: Cross multiply
    21,033,876.97x = 31,554,301.74 × 7,383,481.57
  4. Step 4: Simplify right side
    21,033,876.97x = 232,980,605,351,508.94
  5. Step 5: Solve for x
    x = 232,980,605,351,508.94/21,033,876.97
  6. Step 6: Final answer
    x = 11,076,446.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.