Home / 18,631,021-27,946,531.52-5,167,849

Finding the Fourth Proportional to 18,631,021, 27,946,531.52 and 5,167,849

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Solution

The fourth proportional to 18,631,021, 27,946,531.52 and 5,167,849 is: 7,751,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631,021 : 27,946,531.52 = 5,167,849 : x
  2. Step 2: Convert to fraction form
    18,631,021/27,946,531.52 = 5,167,849/x
  3. Step 3: Cross multiply
    18,631,021x = 27,946,531.52 × 5,167,849
  4. Step 4: Simplify right side
    18,631,021x = 144,423,454,969,100.47
  5. Step 5: Solve for x
    x = 144,423,454,969,100.47/18,631,021
  6. Step 6: Final answer
    x = 7,751,773.51

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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.