Home / 25,568,331.20-38,376,116.40-12,798,000.80

Finding the Fourth Proportional to 25,568,331.20, 38,376,116.40 and 12,798,000.80

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Solution

The fourth proportional to 25,568,331.20, 38,376,116.40 and 12,798,000.80 is: 19,208,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,568,331.20 : 38,376,116.40 = 12,798,000.80 : x
  2. Step 2: Convert to fraction form
    25,568,331.20/38,376,116.40 = 12,798,000.80/x
  3. Step 3: Cross multiply
    25,568,331.20x = 38,376,116.40 × 12,798,000.80
  4. Step 4: Simplify right side
    25,568,331.20x = 491,137,568,388,093.12
  5. Step 5: Solve for x
    x = 491,137,568,388,093.12/25,568,331.20
  6. Step 6: Final answer
    x = 19,208,823.78

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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.