Home / 28,188,072.45-42,282,108.68-23,149,224.45

Finding the Fourth Proportional to 28,188,072.45, 42,282,108.68 and 23,149,224.45

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Solution

The fourth proportional to 28,188,072.45, 42,282,108.68 and 23,149,224.45 is: 34,723,836.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,072.45 : 42,282,108.68 = 23,149,224.45 : x
  2. Step 2: Convert to fraction form
    28,188,072.45/42,282,108.68 = 23,149,224.45/x
  3. Step 3: Cross multiply
    28,188,072.45x = 42,282,108.68 × 23,149,224.45
  4. Step 4: Simplify right side
    28,188,072.45x = 978,798,023,936,867
  5. Step 5: Solve for x
    x = 978,798,023,936,867/28,188,072.45
  6. Step 6: Final answer
    x = 34,723,836.68

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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.