Home / 11,679,743.87-17,510,131.01-4,861,420.72

Finding the Fourth Proportional to 11,679,743.87, 17,510,131.01 and 4,861,420.72

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Solution

The fourth proportional to 11,679,743.87, 17,510,131.01 and 4,861,420.72 is: 7,288,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679,743.87 : 17,510,131.01 = 4,861,420.72 : x
  2. Step 2: Convert to fraction form
    11,679,743.87/17,510,131.01 = 4,861,420.72/x
  3. Step 3: Cross multiply
    11,679,743.87x = 17,510,131.01 × 4,861,420.72
  4. Step 4: Simplify right side
    11,679,743.87x = 85,124,113,701,928.53
  5. Step 5: Solve for x
    x = 85,124,113,701,928.53/11,679,743.87
  6. Step 6: Final answer
    x = 7,288,183.26

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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.