Home / 5,514,443.80-8,271,665.70-3,990,979.60

Finding the Fourth Proportional to 5,514,443.80, 8,271,665.70 and 3,990,979.60

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Solution

The fourth proportional to 5,514,443.80, 8,271,665.70 and 3,990,979.60 is: 5,986,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514,443.80 : 8,271,665.70 = 3,990,979.60 : x
  2. Step 2: Convert to fraction form
    5,514,443.80/8,271,665.70 = 3,990,979.60/x
  3. Step 3: Cross multiply
    5,514,443.80x = 8,271,665.70 × 3,990,979.60
  4. Step 4: Simplify right side
    5,514,443.80x = 33,012,049,066,719.72
  5. Step 5: Solve for x
    x = 33,012,049,066,719.72/5,514,443.80
  6. Step 6: Final answer
    x = 5,986,469.40

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Double scale
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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.