Home / 39,450,343.98-54,436,759.76-21,806,863.18

Finding the Fourth Proportional to 39,450,343.98, 54,436,759.76 and 21,806,863.18

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Solution

The fourth proportional to 39,450,343.98, 54,436,759.76 and 21,806,863.18 is: 30,090,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450,343.98 : 54,436,759.76 = 21,806,863.18 : x
  2. Step 2: Convert to fraction form
    39,450,343.98/54,436,759.76 = 21,806,863.18/x
  3. Step 3: Cross multiply
    39,450,343.98x = 54,436,759.76 × 21,806,863.18
  4. Step 4: Simplify right side
    39,450,343.98x = 1,187,094,972,273,481.75
  5. Step 5: Solve for x
    x = 1,187,094,972,273,481.75/39,450,343.98
  6. Step 6: Final answer
    x = 30,090,864.93

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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.