Home / 18,954,013.05-28,431,019.58-15,552,790.65

Finding the Fourth Proportional to 18,954,013.05, 28,431,019.58 and 15,552,790.65

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Solution

The fourth proportional to 18,954,013.05, 28,431,019.58 and 15,552,790.65 is: 23,329,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,013.05 : 28,431,019.58 = 15,552,790.65 : x
  2. Step 2: Convert to fraction form
    18,954,013.05/28,431,019.58 = 15,552,790.65/x
  3. Step 3: Cross multiply
    18,954,013.05x = 28,431,019.58 × 15,552,790.65
  4. Step 4: Simplify right side
    18,954,013.05x = 442,181,695,416,027
  5. Step 5: Solve for x
    x = 442,181,695,416,027/18,954,013.05
  6. Step 6: Final answer
    x = 23,329,185.98

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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.