Home / 11,855,137.78-16,360,106.79-6,422,629.78

Finding the Fourth Proportional to 11,855,137.78, 16,360,106.79 and 6,422,629.78

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Solution

The fourth proportional to 11,855,137.78, 16,360,106.79 and 6,422,629.78 is: 8,863,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855,137.78 : 16,360,106.79 = 6,422,629.78 : x
  2. Step 2: Convert to fraction form
    11,855,137.78/16,360,106.79 = 6,422,629.78/x
  3. Step 3: Cross multiply
    11,855,137.78x = 16,360,106.79 × 6,422,629.78
  4. Step 4: Simplify right side
    11,855,137.78x = 105,074,909,073,434.20
  5. Step 5: Solve for x
    x = 105,074,909,073,434.20/11,855,137.78
  6. Step 6: Final answer
    x = 8,863,238.12

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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.