Home / 18,631,015.63-27,946,523.44-5,167,843.63

Finding the Fourth Proportional to 18,631,015.63, 27,946,523.44 and 5,167,843.63

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Solution

The fourth proportional to 18,631,015.63, 27,946,523.44 and 5,167,843.63 is: 7,751,765.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631,015.63 : 27,946,523.44 = 5,167,843.63 : x
  2. Step 2: Convert to fraction form
    18,631,015.63/27,946,523.44 = 5,167,843.63/x
  3. Step 3: Cross multiply
    18,631,015.63x = 27,946,523.44 × 5,167,843.63
  4. Step 4: Simplify right side
    18,631,015.63x = 144,423,263,140,049.69
  5. Step 5: Solve for x
    x = 144,423,263,140,049.69/18,631,015.63
  6. Step 6: Final answer
    x = 7,751,765.44

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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.