Home / 30,191,362.11-45,245,144.82-13,756,481.87

Finding the Fourth Proportional to 30,191,362.11, 45,245,144.82 and 13,756,481.87

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Solution

The fourth proportional to 30,191,362.11, 45,245,144.82 and 13,756,481.87 is: 20,615,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191,362.11 : 45,245,144.82 = 13,756,481.87 : x
  2. Step 2: Convert to fraction form
    30,191,362.11/45,245,144.82 = 13,756,481.87/x
  3. Step 3: Cross multiply
    30,191,362.11x = 45,245,144.82 × 13,756,481.87
  4. Step 4: Simplify right side
    30,191,362.11x = 622,414,014,195,628.75
  5. Step 5: Solve for x
    x = 622,414,014,195,628.75/30,191,362.11
  6. Step 6: Final answer
    x = 20,615,632.11

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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.