Home / 28,199,226.36-42,291,971.82-11,795,644.20

Finding the Fourth Proportional to 28,199,226.36, 42,291,971.82 and 11,795,644.20

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Solution

The fourth proportional to 28,199,226.36, 42,291,971.82 and 11,795,644.20 is: 17,690,593.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199,226.36 : 42,291,971.82 = 11,795,644.20 : x
  2. Step 2: Convert to fraction form
    28,199,226.36/42,291,971.82 = 11,795,644.20/x
  3. Step 3: Cross multiply
    28,199,226.36x = 42,291,971.82 × 11,795,644.20
  4. Step 4: Simplify right side
    28,199,226.36x = 498,861,052,105,146.44
  5. Step 5: Solve for x
    x = 498,861,052,105,146.44/28,199,226.36
  6. Step 6: Final answer
    x = 17,690,593.56

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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.