Home / 18,147,891.15-25,043,774.46-9,888,021.31

Finding the Fourth Proportional to 18,147,891.15, 25,043,774.46 and 9,888,021.31

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Solution

The fourth proportional to 18,147,891.15, 25,043,774.46 and 9,888,021.31 is: 13,645,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,891.15 : 25,043,774.46 = 9,888,021.31 : x
  2. Step 2: Convert to fraction form
    18,147,891.15/25,043,774.46 = 9,888,021.31/x
  3. Step 3: Cross multiply
    18,147,891.15x = 25,043,774.46 × 9,888,021.31
  4. Step 4: Simplify right side
    18,147,891.15x = 247,633,375,543,313.75
  5. Step 5: Solve for x
    x = 247,633,375,543,313.75/18,147,891.15
  6. Step 6: Final answer
    x = 13,645,297.60

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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.