Home / 13,682,331.20-18,880,331.55-9,263,067.13

Finding the Fourth Proportional to 13,682,331.20, 18,880,331.55 and 9,263,067.13

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Solution

The fourth proportional to 13,682,331.20, 18,880,331.55 and 9,263,067.13 is: 12,782,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682,331.20 : 18,880,331.55 = 9,263,067.13 : x
  2. Step 2: Convert to fraction form
    13,682,331.20/18,880,331.55 = 9,263,067.13/x
  3. Step 3: Cross multiply
    13,682,331.20x = 18,880,331.55 × 9,263,067.13
  4. Step 4: Simplify right side
    13,682,331.20x = 174,889,778,573,170.88
  5. Step 5: Solve for x
    x = 174,889,778,573,170.88/13,682,331.20
  6. Step 6: Final answer
    x = 12,782,162.34

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1.5x scale

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.