Home / 20,269,872.87-27,972,788.04-11,101,925.13

Finding the Fourth Proportional to 20,269,872.87, 27,972,788.04 and 11,101,925.13

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Solution

The fourth proportional to 20,269,872.87, 27,972,788.04 and 11,101,925.13 is: 15,320,855.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,872.87 : 27,972,788.04 = 11,101,925.13 : x
  2. Step 2: Convert to fraction form
    20,269,872.87/27,972,788.04 = 11,101,925.13/x
  3. Step 3: Cross multiply
    20,269,872.87x = 27,972,788.04 × 11,101,925.13
  4. Step 4: Simplify right side
    20,269,872.87x = 310,551,798,497,439.44
  5. Step 5: Solve for x
    x = 310,551,798,497,439.44/20,269,872.87
  6. Step 6: Final answer
    x = 15,320,855.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.