Home / 15,048,748.91-20,767,379.78-8,173,230.97

Finding the Fourth Proportional to 15,048,748.91, 20,767,379.78 and 8,173,230.97

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Solution

The fourth proportional to 15,048,748.91, 20,767,379.78 and 8,173,230.97 is: 11,279,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048,748.91 : 20,767,379.78 = 8,173,230.97 : x
  2. Step 2: Convert to fraction form
    15,048,748.91/20,767,379.78 = 8,173,230.97/x
  3. Step 3: Cross multiply
    15,048,748.91x = 20,767,379.78 × 8,173,230.97
  4. Step 4: Simplify right side
    15,048,748.91x = 169,736,591,568,118.12
  5. Step 5: Solve for x
    x = 169,736,591,568,118.12/15,048,748.91
  6. Step 6: Final answer
    x = 11,279,116.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.