Home / 20,054,979.54-27,676,193.40-10,887,615

Finding the Fourth Proportional to 20,054,979.54, 27,676,193.40 and 10,887,615

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Solution

The fourth proportional to 20,054,979.54, 27,676,193.40 and 10,887,615 is: 15,025,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054,979.54 : 27,676,193.40 = 10,887,615 : x
  2. Step 2: Convert to fraction form
    20,054,979.54/27,676,193.40 = 10,887,615/x
  3. Step 3: Cross multiply
    20,054,979.54x = 27,676,193.40 × 10,887,615
  4. Step 4: Simplify right side
    20,054,979.54x = 301,327,738,404,741
  5. Step 5: Solve for x
    x = 301,327,738,404,741/20,054,979.54
  6. Step 6: Final answer
    x = 15,025,083.31

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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.