Home / 18,181,194.89-25,090,581.31-9,921,789.37

Finding the Fourth Proportional to 18,181,194.89, 25,090,581.31 and 9,921,789.37

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Solution

The fourth proportional to 18,181,194.89, 25,090,581.31 and 9,921,789.37 is: 13,692,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,194.89 : 25,090,581.31 = 9,921,789.37 : x
  2. Step 2: Convert to fraction form
    18,181,194.89/25,090,581.31 = 9,921,789.37/x
  3. Step 3: Cross multiply
    18,181,194.89x = 25,090,581.31 × 9,921,789.37
  4. Step 4: Simplify right side
    18,181,194.89x = 248,943,462,849,912.97
  5. Step 5: Solve for x
    x = 248,943,462,849,912.97/18,181,194.89
  6. Step 6: Final answer
    x = 13,692,359.85

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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.