Home / 18,151,074.51-25,047,982.38-9,890,958.03

Finding the Fourth Proportional to 18,151,074.51, 25,047,982.38 and 9,890,958.03

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Solution

The fourth proportional to 18,151,074.51, 25,047,982.38 and 9,890,958.03 is: 13,649,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151,074.51 : 25,047,982.38 = 9,890,958.03 : x
  2. Step 2: Convert to fraction form
    18,151,074.51/25,047,982.38 = 9,890,958.03/x
  3. Step 3: Cross multiply
    18,151,074.51x = 25,047,982.38 × 9,890,958.03
  4. Step 4: Simplify right side
    18,151,074.51x = 247,748,542,456,759.47
  5. Step 5: Solve for x
    x = 247,748,542,456,759.47/18,151,074.51
  6. Step 6: Final answer
    x = 13,649,249.38

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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.