Home / 7,663,211.80-11,494,817.70-7,043,896.60

Finding the Fourth Proportional to 7,663,211.80, 11,494,817.70 and 7,043,896.60

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Solution

The fourth proportional to 7,663,211.80, 11,494,817.70 and 7,043,896.60 is: 10,565,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663,211.80 : 11,494,817.70 = 7,043,896.60 : x
  2. Step 2: Convert to fraction form
    7,663,211.80/11,494,817.70 = 7,043,896.60/x
  3. Step 3: Cross multiply
    7,663,211.80x = 11,494,817.70 × 7,043,896.60
  4. Step 4: Simplify right side
    7,663,211.80x = 80,968,307,314,649.81
  5. Step 5: Solve for x
    x = 80,968,307,314,649.81/7,663,211.80
  6. Step 6: Final answer
    x = 10,565,844.90

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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.