Home / 7,148,183.22-10,719,679.32-3,912,112.62

Finding the Fourth Proportional to 7,148,183.22, 10,719,679.32 and 3,912,112.62

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Solution

The fourth proportional to 7,148,183.22, 10,719,679.32 and 3,912,112.62 is: 5,866,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,183.22 : 10,719,679.32 = 3,912,112.62 : x
  2. Step 2: Convert to fraction form
    7,148,183.22/10,719,679.32 = 3,912,112.62/x
  3. Step 3: Cross multiply
    7,148,183.22x = 10,719,679.32 × 3,912,112.62
  4. Step 4: Simplify right side
    7,148,183.22x = 41,936,592,750,125.02
  5. Step 5: Solve for x
    x = 41,936,592,750,125.02/7,148,183.22
  6. Step 6: Final answer
    x = 5,866,748.44

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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.