Home / 7,802,181.60-11,703,272.40-7,329,789.60

Finding the Fourth Proportional to 7,802,181.60, 11,703,272.40 and 7,329,789.60

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Solution

The fourth proportional to 7,802,181.60, 11,703,272.40 and 7,329,789.60 is: 10,994,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802,181.60 : 11,703,272.40 = 7,329,789.60 : x
  2. Step 2: Convert to fraction form
    7,802,181.60/11,703,272.40 = 7,329,789.60/x
  3. Step 3: Cross multiply
    7,802,181.60x = 11,703,272.40 × 7,329,789.60
  4. Step 4: Simplify right side
    7,802,181.60x = 85,782,524,323,487.03
  5. Step 5: Solve for x
    x = 85,782,524,323,487.03/7,802,181.60
  6. Step 6: Final answer
    x = 10,994,684.40

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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.