Home / 13,407,393.46-20,111,131.47-3,310,015.54

Finding the Fourth Proportional to 13,407,393.46, 20,111,131.47 and 3,310,015.54

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Solution

The fourth proportional to 13,407,393.46, 20,111,131.47 and 3,310,015.54 is: 4,965,033.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,393.46 : 20,111,131.47 = 3,310,015.54 : x
  2. Step 2: Convert to fraction form
    13,407,393.46/20,111,131.47 = 3,310,015.54/x
  3. Step 3: Cross multiply
    13,407,393.46x = 20,111,131.47 × 3,310,015.54
  4. Step 4: Simplify right side
    13,407,393.46x = 66,568,157,692,683.04
  5. Step 5: Solve for x
    x = 66,568,157,692,683.04/13,407,393.46
  6. Step 6: Final answer
    x = 4,965,033.50

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1.5x scale

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.