Home / 8,522,250.40-12,783,375.60-7,377,623.20

Finding the Fourth Proportional to 8,522,250.40, 12,783,375.60 and 7,377,623.20

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Solution

The fourth proportional to 8,522,250.40, 12,783,375.60 and 7,377,623.20 is: 11,066,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522,250.40 : 12,783,375.60 = 7,377,623.20 : x
  2. Step 2: Convert to fraction form
    8,522,250.40/12,783,375.60 = 7,377,623.20/x
  3. Step 3: Cross multiply
    8,522,250.40x = 12,783,375.60 × 7,377,623.20
  4. Step 4: Simplify right side
    8,522,250.40x = 94,310,928,400,873.92
  5. Step 5: Solve for x
    x = 94,310,928,400,873.92/8,522,250.40
  6. Step 6: Final answer
    x = 11,066,434.80

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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.