Home / 12,112,691.82-18,171,738.32-3,476,119

Finding the Fourth Proportional to 12,112,691.82, 18,171,738.32 and 3,476,119

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Solution

The fourth proportional to 12,112,691.82, 18,171,738.32 and 3,476,119 is: 5,214,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,691.82 : 18,171,738.32 = 3,476,119 : x
  2. Step 2: Convert to fraction form
    12,112,691.82/18,171,738.32 = 3,476,119/x
  3. Step 3: Cross multiply
    12,112,691.82x = 18,171,738.32 × 3,476,119
  4. Step 4: Simplify right side
    12,112,691.82x = 63,167,124,837,180.08
  5. Step 5: Solve for x
    x = 63,167,124,837,180.08/12,112,691.82
  6. Step 6: Final answer
    x = 5,214,953.52

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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.