Home / 7,241,190.95-9,991,120.75-4,101,481.81

Finding the Fourth Proportional to 7,241,190.95, 9,991,120.75 and 4,101,481.81

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Solution

The fourth proportional to 7,241,190.95, 9,991,120.75 and 4,101,481.81 is: 5,659,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,190.95 : 9,991,120.75 = 4,101,481.81 : x
  2. Step 2: Convert to fraction form
    7,241,190.95/9,991,120.75 = 4,101,481.81/x
  3. Step 3: Cross multiply
    7,241,190.95x = 9,991,120.75 × 4,101,481.81
  4. Step 4: Simplify right side
    7,241,190.95x = 40,978,399,967,682.95
  5. Step 5: Solve for x
    x = 40,978,399,967,682.95/7,241,190.95
  6. Step 6: Final answer
    x = 5,659,069.11

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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.