Home / 12,409,735.68-18,614,608.92-3,890,736.36

Finding the Fourth Proportional to 12,409,735.68, 18,614,608.92 and 3,890,736.36

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Solution

The fourth proportional to 12,409,735.68, 18,614,608.92 and 3,890,736.36 is: 5,836,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409,735.68 : 18,614,608.92 = 3,890,736.36 : x
  2. Step 2: Convert to fraction form
    12,409,735.68/18,614,608.92 = 3,890,736.36/x
  3. Step 3: Cross multiply
    12,409,735.68x = 18,614,608.92 × 3,890,736.36
  4. Step 4: Simplify right side
    12,409,735.68x = 72,424,535,752,224.33
  5. Step 5: Solve for x
    x = 72,424,535,752,224.33/12,409,735.68
  6. Step 6: Final answer
    x = 5,836,106.23

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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.