Home / 28,213,553.45-42,320,855.24-8,019,320.33

Finding the Fourth Proportional to 28,213,553.45, 42,320,855.24 and 8,019,320.33

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Solution

The fourth proportional to 28,213,553.45, 42,320,855.24 and 8,019,320.33 is: 12,029,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213,553.45 : 42,320,855.24 = 8,019,320.33 : x
  2. Step 2: Convert to fraction form
    28,213,553.45/42,320,855.24 = 8,019,320.33/x
  3. Step 3: Cross multiply
    28,213,553.45x = 42,320,855.24 × 8,019,320.33
  4. Step 4: Simplify right side
    28,213,553.45x = 339,384,494,557,418.12
  5. Step 5: Solve for x
    x = 339,384,494,557,418.12/28,213,553.45
  6. Step 6: Final answer
    x = 12,029,129.73

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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.