Home / 13,811,279.40-20,718,474.30-4,226,581.80

Finding the Fourth Proportional to 13,811,279.40, 20,718,474.30 and 4,226,581.80

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Solution

The fourth proportional to 13,811,279.40, 20,718,474.30 and 4,226,581.80 is: 6,340,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811,279.40 : 20,718,474.30 = 4,226,581.80 : x
  2. Step 2: Convert to fraction form
    13,811,279.40/20,718,474.30 = 4,226,581.80/x
  3. Step 3: Cross multiply
    13,811,279.40x = 20,718,474.30 × 4,226,581.80
  4. Step 4: Simplify right side
    13,811,279.40x = 87,568,326,400,147.73
  5. Step 5: Solve for x
    x = 87,568,326,400,147.73/13,811,279.40
  6. Step 6: Final answer
    x = 6,340,348.63

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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.