Home / 40,242,221.12-60,322,969.38-18,691,958.09

Finding the Fourth Proportional to 40,242,221.12, 60,322,969.38 and 18,691,958.09

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Solution

The fourth proportional to 40,242,221.12, 60,322,969.38 and 18,691,958.09 is: 28,019,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242,221.12 : 60,322,969.38 = 18,691,958.09 : x
  2. Step 2: Convert to fraction form
    40,242,221.12/60,322,969.38 = 18,691,958.09/x
  3. Step 3: Cross multiply
    40,242,221.12x = 60,322,969.38 × 18,691,958.09
  4. Step 4: Simplify right side
    40,242,221.12x = 1,127,554,415,515,313.25
  5. Step 5: Solve for x
    x = 1,127,554,415,515,313.25/40,242,221.12
  6. Step 6: Final answer
    x = 28,019,189.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.