Home / 26,731,139.32-40,113,576.30-11,378,404.54

Finding the Fourth Proportional to 26,731,139.32, 40,113,576.30 and 11,378,404.54

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Solution

The fourth proportional to 26,731,139.32, 40,113,576.30 and 11,378,404.54 is: 17,074,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731,139.32 : 40,113,576.30 = 11,378,404.54 : x
  2. Step 2: Convert to fraction form
    26,731,139.32/40,113,576.30 = 11,378,404.54/x
  3. Step 3: Cross multiply
    26,731,139.32x = 40,113,576.30 × 11,378,404.54
  4. Step 4: Simplify right side
    26,731,139.32x = 456,428,498,687,556.31
  5. Step 5: Solve for x
    x = 456,428,498,687,556.31/26,731,139.32
  6. Step 6: Final answer
    x = 17,074,786.57

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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.