Home / 40,476,115.12-55,857,482.04-22,141,400.80

Finding the Fourth Proportional to 40,476,115.12, 55,857,482.04 and 22,141,400.80

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Solution

The fourth proportional to 40,476,115.12, 55,857,482.04 and 22,141,400.80 is: 30,555,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,476,115.12 : 55,857,482.04 = 22,141,400.80 : x
  2. Step 2: Convert to fraction form
    40,476,115.12/55,857,482.04 = 22,141,400.80/x
  3. Step 3: Cross multiply
    40,476,115.12x = 55,857,482.04 × 22,141,400.80
  4. Step 4: Simplify right side
    40,476,115.12x = 1,236,762,897,526,441.75
  5. Step 5: Solve for x
    x = 1,236,762,897,526,441.75/40,476,115.12
  6. Step 6: Final answer
    x = 30,555,375.53

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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.