Home / 9,121,348.60-13,682,022.90-8,377,331.20

Finding the Fourth Proportional to 9,121,348.60, 13,682,022.90 and 8,377,331.20

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Solution

The fourth proportional to 9,121,348.60, 13,682,022.90 and 8,377,331.20 is: 12,565,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,348.60 : 13,682,022.90 = 8,377,331.20 : x
  2. Step 2: Convert to fraction form
    9,121,348.60/13,682,022.90 = 8,377,331.20/x
  3. Step 3: Cross multiply
    9,121,348.60x = 13,682,022.90 × 8,377,331.20
  4. Step 4: Simplify right side
    9,121,348.60x = 114,618,837,319,284.48
  5. Step 5: Solve for x
    x = 114,618,837,319,284.48/9,121,348.60
  6. Step 6: Final answer
    x = 12,565,996.80

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Similar ratio
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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.