Home / 13,127,753.52-18,121,264.83-9,873,964.48

Finding the Fourth Proportional to 13,127,753.52, 18,121,264.83 and 9,873,964.48

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Solution

The fourth proportional to 13,127,753.52, 18,121,264.83 and 9,873,964.48 is: 13,629,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127,753.52 : 18,121,264.83 = 9,873,964.48 : x
  2. Step 2: Convert to fraction form
    13,127,753.52/18,121,264.83 = 9,873,964.48/x
  3. Step 3: Cross multiply
    13,127,753.52x = 18,121,264.83 × 9,873,964.48
  4. Step 4: Simplify right side
    13,127,753.52x = 178,928,725,264,093.22
  5. Step 5: Solve for x
    x = 178,928,725,264,093.22/13,127,753.52
  6. Step 6: Final answer
    x = 13,629,805.36

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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.