Home / 39,599,721.95-54,647,737.73-21,959,866.55

Finding the Fourth Proportional to 39,599,721.95, 54,647,737.73 and 21,959,866.55

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Solution

The fourth proportional to 39,599,721.95, 54,647,737.73 and 21,959,866.55 is: 30,304,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,599,721.95 : 54,647,737.73 = 21,959,866.55 : x
  2. Step 2: Convert to fraction form
    39,599,721.95/54,647,737.73 = 21,959,866.55/x
  3. Step 3: Cross multiply
    39,599,721.95x = 54,647,737.73 × 21,959,866.55
  4. Step 4: Simplify right side
    39,599,721.95x = 1,200,057,027,427,162
  5. Step 5: Solve for x
    x = 1,200,057,027,427,162/39,599,721.95
  6. Step 6: Final answer
    x = 30,304,683.18

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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.