Home / 11,868,324.39-16,377,411.06-6,640,638.66

Finding the Fourth Proportional to 11,868,324.39, 16,377,411.06 and 6,640,638.66

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Solution

The fourth proportional to 11,868,324.39, 16,377,411.06 and 6,640,638.66 is: 9,163,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868,324.39 : 16,377,411.06 = 6,640,638.66 : x
  2. Step 2: Convert to fraction form
    11,868,324.39/16,377,411.06 = 6,640,638.66/x
  3. Step 3: Cross multiply
    11,868,324.39x = 16,377,411.06 × 6,640,638.66
  4. Step 4: Simplify right side
    11,868,324.39x = 108,756,469,035,747.58
  5. Step 5: Solve for x
    x = 108,756,469,035,747.58/11,868,324.39
  6. Step 6: Final answer
    x = 9,163,590.87

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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.