Home / 18,339,822.56-25,331,152.07-13,370,394.20

Finding the Fourth Proportional to 18,339,822.56, 25,331,152.07 and 13,370,394.20

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Solution

The fourth proportional to 18,339,822.56, 25,331,152.07 and 13,370,394.20 is: 18,467,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339,822.56 : 25,331,152.07 = 13,370,394.20 : x
  2. Step 2: Convert to fraction form
    18,339,822.56/25,331,152.07 = 13,370,394.20/x
  3. Step 3: Cross multiply
    18,339,822.56x = 25,331,152.07 × 13,370,394.20
  4. Step 4: Simplify right side
    18,339,822.56x = 338,687,488,622,816.25
  5. Step 5: Solve for x
    x = 338,687,488,622,816.25/18,339,822.56
  6. Step 6: Final answer
    x = 18,467,326.36

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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.