Home / 7,380,997.80-11,071,496.70-6,205,266.60

Finding the Fourth Proportional to 7,380,997.80, 11,071,496.70 and 6,205,266.60

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Solution

The fourth proportional to 7,380,997.80, 11,071,496.70 and 6,205,266.60 is: 9,307,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,997.80 : 11,071,496.70 = 6,205,266.60 : x
  2. Step 2: Convert to fraction form
    7,380,997.80/11,071,496.70 = 6,205,266.60/x
  3. Step 3: Cross multiply
    7,380,997.80x = 11,071,496.70 × 6,205,266.60
  4. Step 4: Simplify right side
    7,380,997.80x = 68,701,588,684,520.21
  5. Step 5: Solve for x
    x = 68,701,588,684,520.21/7,380,997.80
  6. Step 6: Final answer
    x = 9,307,899.90

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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.