Home / 18,821,248.76-25,958,679.86-13,613,791.26

Finding the Fourth Proportional to 18,821,248.76, 25,958,679.86 and 13,613,791.26

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Solution

The fourth proportional to 18,821,248.76, 25,958,679.86 and 13,613,791.26 is: 18,776,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,248.76 : 25,958,679.86 = 13,613,791.26 : x
  2. Step 2: Convert to fraction form
    18,821,248.76/25,958,679.86 = 13,613,791.26/x
  3. Step 3: Cross multiply
    18,821,248.76x = 25,958,679.86 × 13,613,791.26
  4. Step 4: Simplify right side
    18,821,248.76x = 353,396,049,130,585.56
  5. Step 5: Solve for x
    x = 353,396,049,130,585.56/18,821,248.76
  6. Step 6: Final answer
    x = 18,776,440.05

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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.