Home / 14,814,338-20,443,635.82-8,198,939.32

Finding the Fourth Proportional to 14,814,338, 20,443,635.82 and 8,198,939.32

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Solution

The fourth proportional to 14,814,338, 20,443,635.82 and 8,198,939.32 is: 11,314,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814,338 : 20,443,635.82 = 8,198,939.32 : x
  2. Step 2: Convert to fraction form
    14,814,338/20,443,635.82 = 8,198,939.32/x
  3. Step 3: Cross multiply
    14,814,338x = 20,443,635.82 × 8,198,939.32
  4. Step 4: Simplify right side
    14,814,338x = 167,616,129,568,358.44
  5. Step 5: Solve for x
    x = 167,616,129,568,358.44/14,814,338
  6. Step 6: Final answer
    x = 11,314,452.90

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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.