Home / 39,363,639.66-54,321,846.03-21,959,984.94

Finding the Fourth Proportional to 39,363,639.66, 54,321,846.03 and 21,959,984.94

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Solution

The fourth proportional to 39,363,639.66, 54,321,846.03 and 21,959,984.94 is: 30,304,792.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,363,639.66 : 54,321,846.03 = 21,959,984.94 : x
  2. Step 2: Convert to fraction form
    39,363,639.66/54,321,846.03 = 21,959,984.94/x
  3. Step 3: Cross multiply
    39,363,639.66x = 54,321,846.03 × 21,959,984.94
  4. Step 4: Simplify right side
    39,363,639.66x = 1,192,906,920,731,799
  5. Step 5: Solve for x
    x = 1,192,906,920,731,799/39,363,639.66
  6. Step 6: Final answer
    x = 30,304,792.22

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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.