Home / 18,641,072.76-25,719,482.46-12,022,860.84

Finding the Fourth Proportional to 18,641,072.76, 25,719,482.46 and 12,022,860.84

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Solution

The fourth proportional to 18,641,072.76, 25,719,482.46 and 12,022,860.84 is: 16,588,195.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641,072.76 : 25,719,482.46 = 12,022,860.84 : x
  2. Step 2: Convert to fraction form
    18,641,072.76/25,719,482.46 = 12,022,860.84/x
  3. Step 3: Cross multiply
    18,641,072.76x = 25,719,482.46 × 12,022,860.84
  4. Step 4: Simplify right side
    18,641,072.76x = 309,221,758,493,400.88
  5. Step 5: Solve for x
    x = 309,221,758,493,400.88/18,641,072.76
  6. Step 6: Final answer
    x = 16,588,195.46

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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.