Home / 18,745,196.40-28,107,684.12-8,504,468.28

Finding the Fourth Proportional to 18,745,196.40, 28,107,684.12 and 8,504,468.28

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Solution

The fourth proportional to 18,745,196.40, 28,107,684.12 and 8,504,468.28 is: 12,752,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745,196.40 : 28,107,684.12 = 8,504,468.28 : x
  2. Step 2: Convert to fraction form
    18,745,196.40/28,107,684.12 = 8,504,468.28/x
  3. Step 3: Cross multiply
    18,745,196.40x = 28,107,684.12 × 8,504,468.28
  4. Step 4: Simplify right side
    18,745,196.40x = 239,040,908,022,799.72
  5. Step 5: Solve for x
    x = 239,040,908,022,799.72/18,745,196.40
  6. Step 6: Final answer
    x = 12,752,115.42

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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.