Home / 20,251,762.78-27,947,431.78-10,959,333.14

Finding the Fourth Proportional to 20,251,762.78, 27,947,431.78 and 10,959,333.14

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Solution

The fourth proportional to 20,251,762.78, 27,947,431.78 and 10,959,333.14 is: 15,123,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,762.78 : 27,947,431.78 = 10,959,333.14 : x
  2. Step 2: Convert to fraction form
    20,251,762.78/27,947,431.78 = 10,959,333.14/x
  3. Step 3: Cross multiply
    20,251,762.78x = 27,947,431.78 × 10,959,333.14
  4. Step 4: Simplify right side
    20,251,762.78x = 306,285,215,284,443.25
  5. Step 5: Solve for x
    x = 306,285,215,284,443.25/20,251,762.78
  6. Step 6: Final answer
    x = 15,123,879.27

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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.