Home / 12,006,393.78-16,568,929.17-7,111,894.26

Finding the Fourth Proportional to 12,006,393.78, 16,568,929.17 and 7,111,894.26

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Solution

The fourth proportional to 12,006,393.78, 16,568,929.17 and 7,111,894.26 is: 9,814,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006,393.78 : 16,568,929.17 = 7,111,894.26 : x
  2. Step 2: Convert to fraction form
    12,006,393.78/16,568,929.17 = 7,111,894.26/x
  3. Step 3: Cross multiply
    12,006,393.78x = 16,568,929.17 × 7,111,894.26
  4. Step 4: Simplify right side
    12,006,393.78x = 117,836,472,258,469.56
  5. Step 5: Solve for x
    x = 117,836,472,258,469.56/12,006,393.78
  6. Step 6: Final answer
    x = 9,814,476.72

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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.