Home / 8,211,609.15-12,317,413.73-3,662,649.15

Finding the Fourth Proportional to 8,211,609.15, 12,317,413.73 and 3,662,649.15

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Solution

The fourth proportional to 8,211,609.15, 12,317,413.73 and 3,662,649.15 is: 5,493,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,609.15 : 12,317,413.73 = 3,662,649.15 : x
  2. Step 2: Convert to fraction form
    8,211,609.15/12,317,413.73 = 3,662,649.15/x
  3. Step 3: Cross multiply
    8,211,609.15x = 12,317,413.73 × 3,662,649.15
  4. Step 4: Simplify right side
    8,211,609.15x = 45,114,364,910,069.58
  5. Step 5: Solve for x
    x = 45,114,364,910,069.58/8,211,609.15
  6. Step 6: Final answer
    x = 5,493,973.73

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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.