Home / 27,399,940.73-37,803,021.44-18,682,979.70

Finding the Fourth Proportional to 27,399,940.73, 37,803,021.44 and 18,682,979.70

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Solution

The fourth proportional to 27,399,940.73, 37,803,021.44 and 18,682,979.70 is: 25,776,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399,940.73 : 37,803,021.44 = 18,682,979.70 : x
  2. Step 2: Convert to fraction form
    27,399,940.73/37,803,021.44 = 18,682,979.70/x
  3. Step 3: Cross multiply
    27,399,940.73x = 37,803,021.44 × 18,682,979.70
  4. Step 4: Simplify right side
    27,399,940.73x = 706,273,082,068,769.88
  5. Step 5: Solve for x
    x = 706,273,082,068,769.88/27,399,940.73
  6. Step 6: Final answer
    x = 25,776,445.62

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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.