Home / 20,702,748.60-28,568,627.19-11,410,290.51

Finding the Fourth Proportional to 20,702,748.60, 28,568,627.19 and 11,410,290.51

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Solution

The fourth proportional to 20,702,748.60, 28,568,627.19 and 11,410,290.51 is: 15,745,558.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,748.60 : 28,568,627.19 = 11,410,290.51 : x
  2. Step 2: Convert to fraction form
    20,702,748.60/28,568,627.19 = 11,410,290.51/x
  3. Step 3: Cross multiply
    20,702,748.60x = 28,568,627.19 × 11,410,290.51
  4. Step 4: Simplify right side
    20,702,748.60x = 325,976,335,709,785
  5. Step 5: Solve for x
    x = 325,976,335,709,785/20,702,748.60
  6. Step 6: Final answer
    x = 15,745,558.33

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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.