Home / 13,857,183.91-20,784,439.86-4,269,988.27

Finding the Fourth Proportional to 13,857,183.91, 20,784,439.86 and 4,269,988.27

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Solution

The fourth proportional to 13,857,183.91, 20,784,439.86 and 4,269,988.27 is: 6,404,570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,183.91 : 20,784,439.86 = 4,269,988.27 : x
  2. Step 2: Convert to fraction form
    13,857,183.91/20,784,439.86 = 4,269,988.27/x
  3. Step 3: Cross multiply
    13,857,183.91x = 20,784,439.86 × 4,269,988.27
  4. Step 4: Simplify right side
    13,857,183.91x = 88,749,314,400,720.44
  5. Step 5: Solve for x
    x = 88,749,314,400,720.44/13,857,183.91
  6. Step 6: Final answer
    x = 6,404,570.72

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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.