Home / 22,143,571.80-30,557,435.10-12,982,315.80

Finding the Fourth Proportional to 22,143,571.80, 30,557,435.10 and 12,982,315.80

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Solution

The fourth proportional to 22,143,571.80, 30,557,435.10 and 12,982,315.80 is: 17,915,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,571.80 : 30,557,435.10 = 12,982,315.80 : x
  2. Step 2: Convert to fraction form
    22,143,571.80/30,557,435.10 = 12,982,315.80/x
  3. Step 3: Cross multiply
    22,143,571.80x = 30,557,435.10 × 12,982,315.80
  4. Step 4: Simplify right side
    22,143,571.80x = 396,706,272,506,204.62
  5. Step 5: Solve for x
    x = 396,706,272,506,204.62/22,143,571.80
  6. Step 6: Final answer
    x = 17,915,188.94

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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.