Home / 20,702,742.22-28,568,618.40-11,410,284.12

Finding the Fourth Proportional to 20,702,742.22, 28,568,618.40 and 11,410,284.12

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Solution

The fourth proportional to 20,702,742.22, 28,568,618.40 and 11,410,284.12 is: 15,745,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,742.22 : 28,568,618.40 = 11,410,284.12 : x
  2. Step 2: Convert to fraction form
    20,702,742.22/28,568,618.40 = 11,410,284.12/x
  3. Step 3: Cross multiply
    20,702,742.22x = 28,568,618.40 × 11,410,284.12
  4. Step 4: Simplify right side
    20,702,742.22x = 325,976,052,892,031.69
  5. Step 5: Solve for x
    x = 325,976,052,892,031.69/20,702,742.22
  6. Step 6: Final answer
    x = 15,745,549.53

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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.