Home / 11,277,329.39-15,562,721.16-6,120,690.78

Finding the Fourth Proportional to 11,277,329.39, 15,562,721.16 and 6,120,690.78

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Solution

The fourth proportional to 11,277,329.39, 15,562,721.16 and 6,120,690.78 is: 8,446,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277,329.39 : 15,562,721.16 = 6,120,690.78 : x
  2. Step 2: Convert to fraction form
    11,277,329.39/15,562,721.16 = 6,120,690.78/x
  3. Step 3: Cross multiply
    11,277,329.39x = 15,562,721.16 × 6,120,690.78
  4. Step 4: Simplify right side
    11,277,329.39x = 95,254,603,974,083.11
  5. Step 5: Solve for x
    x = 95,254,603,974,083.11/11,277,329.39
  6. Step 6: Final answer
    x = 8,446,556.87

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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.