Home / 18,321,839.80-27,482,759.70-16,642,223.80

Finding the Fourth Proportional to 18,321,839.80, 27,482,759.70 and 16,642,223.80

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Solution

The fourth proportional to 18,321,839.80, 27,482,759.70 and 16,642,223.80 is: 24,963,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,839.80 : 27,482,759.70 = 16,642,223.80 : x
  2. Step 2: Convert to fraction form
    18,321,839.80/27,482,759.70 = 16,642,223.80/x
  3. Step 3: Cross multiply
    18,321,839.80x = 27,482,759.70 × 16,642,223.80
  4. Step 4: Simplify right side
    18,321,839.80x = 457,374,237,569,020.88
  5. Step 5: Solve for x
    x = 457,374,237,569,020.88/18,321,839.80
  6. Step 6: Final answer
    x = 24,963,335.70

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1.5x scale

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.