Home / 6,626,191.20-9,939,286.80-6,514,216.80

Finding the Fourth Proportional to 6,626,191.20, 9,939,286.80 and 6,514,216.80

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Solution

The fourth proportional to 6,626,191.20, 9,939,286.80 and 6,514,216.80 is: 9,771,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626,191.20 : 9,939,286.80 = 6,514,216.80 : x
  2. Step 2: Convert to fraction form
    6,626,191.20/9,939,286.80 = 6,514,216.80/x
  3. Step 3: Cross multiply
    6,626,191.20x = 9,939,286.80 × 6,514,216.80
  4. Step 4: Simplify right side
    6,626,191.20x = 64,746,669,052,578.24
  5. Step 5: Solve for x
    x = 64,746,669,052,578.24/6,626,191.20
  6. Step 6: Final answer
    x = 9,771,325.20

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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.