Home / 13,540,652.28-20,170,244.39-12,807,249.12

Finding the Fourth Proportional to 13,540,652.28, 20,170,244.39 and 12,807,249.12

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Solution

The fourth proportional to 13,540,652.28, 20,170,244.39 and 12,807,249.12 is: 19,077,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,652.28 : 20,170,244.39 = 12,807,249.12 : x
  2. Step 2: Convert to fraction form
    13,540,652.28/20,170,244.39 = 12,807,249.12/x
  3. Step 3: Cross multiply
    13,540,652.28x = 20,170,244.39 × 12,807,249.12
  4. Step 4: Simplify right side
    13,540,652.28x = 258,325,344,714,012.44
  5. Step 5: Solve for x
    x = 258,325,344,714,012.44/13,540,652.28
  6. Step 6: Final answer
    x = 19,077,762.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.