Home / 18,631,016.63-27,946,524.94-5,167,844.63

Finding the Fourth Proportional to 18,631,016.63, 27,946,524.94 and 5,167,844.63

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Solution

The fourth proportional to 18,631,016.63, 27,946,524.94 and 5,167,844.63 is: 7,751,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631,016.63 : 27,946,524.94 = 5,167,844.63 : x
  2. Step 2: Convert to fraction form
    18,631,016.63/27,946,524.94 = 5,167,844.63/x
  3. Step 3: Cross multiply
    18,631,016.63x = 27,946,524.94 × 5,167,844.63
  4. Step 4: Simplify right side
    18,631,016.63x = 144,423,298,838,340.06
  5. Step 5: Solve for x
    x = 144,423,298,838,340.06/18,631,016.63
  6. Step 6: Final answer
    x = 7,751,766.94

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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.