Home / 17,085,414.80-25,628,122.20-8,127,462.80

Finding the Fourth Proportional to 17,085,414.80, 25,628,122.20 and 8,127,462.80

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Solution

The fourth proportional to 17,085,414.80, 25,628,122.20 and 8,127,462.80 is: 12,191,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,085,414.80 : 25,628,122.20 = 8,127,462.80 : x
  2. Step 2: Convert to fraction form
    17,085,414.80/25,628,122.20 = 8,127,462.80/x
  3. Step 3: Cross multiply
    17,085,414.80x = 25,628,122.20 × 8,127,462.80
  4. Step 4: Simplify right side
    17,085,414.80x = 208,291,609,814,354.16
  5. Step 5: Solve for x
    x = 208,291,609,814,354.16/17,085,414.80
  6. Step 6: Final answer
    x = 12,191,194.20

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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.