Home / 18,264,765.52-25,205,067.50-10,115,828.56

Finding the Fourth Proportional to 18,264,765.52, 25,205,067.50 and 10,115,828.56

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Solution

The fourth proportional to 18,264,765.52, 25,205,067.50 and 10,115,828.56 is: 13,959,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264,765.52 : 25,205,067.50 = 10,115,828.56 : x
  2. Step 2: Convert to fraction form
    18,264,765.52/25,205,067.50 = 10,115,828.56/x
  3. Step 3: Cross multiply
    18,264,765.52x = 25,205,067.50 × 10,115,828.56
  4. Step 4: Simplify right side
    18,264,765.52x = 254,970,141,673,227.81
  5. Step 5: Solve for x
    x = 254,970,141,673,227.81/18,264,765.52
  6. Step 6: Final answer
    x = 13,959,672.32

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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.