Home / 6,605,152.20-9,907,728.30-6,353,209.80

Finding the Fourth Proportional to 6,605,152.20, 9,907,728.30 and 6,353,209.80

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Solution

The fourth proportional to 6,605,152.20, 9,907,728.30 and 6,353,209.80 is: 9,529,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,152.20 : 9,907,728.30 = 6,353,209.80 : x
  2. Step 2: Convert to fraction form
    6,605,152.20/9,907,728.30 = 6,353,209.80/x
  3. Step 3: Cross multiply
    6,605,152.20x = 9,907,728.30 × 6,353,209.80
  4. Step 4: Simplify right side
    6,605,152.20x = 62,945,876,531,297.34
  5. Step 5: Solve for x
    x = 62,945,876,531,297.34/6,605,152.20
  6. Step 6: Final answer
    x = 9,529,814.70

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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.