Home / 13,811,276.40-20,718,469.80-4,226,578.80

Finding the Fourth Proportional to 13,811,276.40, 20,718,469.80 and 4,226,578.80

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Solution

The fourth proportional to 13,811,276.40, 20,718,469.80 and 4,226,578.80 is: 6,340,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811,276.40 : 20,718,469.80 = 4,226,578.80 : x
  2. Step 2: Convert to fraction form
    13,811,276.40/20,718,469.80 = 4,226,578.80/x
  3. Step 3: Cross multiply
    13,811,276.40x = 20,718,469.80 × 4,226,578.80
  4. Step 4: Simplify right side
    13,811,276.40x = 87,568,245,225,120.23
  5. Step 5: Solve for x
    x = 87,568,245,225,120.23/13,811,276.40
  6. Step 6: Final answer
    x = 6,340,344.13

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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.