Home / 26,419,218.93-39,590,581.41-18,213,438.20

Finding the Fourth Proportional to 26,419,218.93, 39,590,581.41 and 18,213,438.20

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Solution

The fourth proportional to 26,419,218.93, 39,590,581.41 and 18,213,438.20 is: 27,293,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419,218.93 : 39,590,581.41 = 18,213,438.20 : x
  2. Step 2: Convert to fraction form
    26,419,218.93/39,590,581.41 = 18,213,438.20/x
  3. Step 3: Cross multiply
    26,419,218.93x = 39,590,581.41 × 18,213,438.20
  4. Step 4: Simplify right side
    26,419,218.93x = 721,080,607,615,150.88
  5. Step 5: Solve for x
    x = 721,080,607,615,150.88/26,419,218.93
  6. Step 6: Final answer
    x = 27,293,789.78

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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.