Home / 7,928,546.40-11,892,819.60-4,739,900.40

Finding the Fourth Proportional to 7,928,546.40, 11,892,819.60 and 4,739,900.40

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Solution

The fourth proportional to 7,928,546.40, 11,892,819.60 and 4,739,900.40 is: 7,109,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,546.40 : 11,892,819.60 = 4,739,900.40 : x
  2. Step 2: Convert to fraction form
    7,928,546.40/11,892,819.60 = 4,739,900.40/x
  3. Step 3: Cross multiply
    7,928,546.40x = 11,892,819.60 × 4,739,900.40
  4. Step 4: Simplify right side
    7,928,546.40x = 56,370,780,379,167.84
  5. Step 5: Solve for x
    x = 56,370,780,379,167.84/7,928,546.40
  6. Step 6: Final answer
    x = 7,109,850.60

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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.