Home / 11,786,480.61-16,267,575.38-7,378,258.11

Finding the Fourth Proportional to 11,786,480.61, 16,267,575.38 and 7,378,258.11

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Solution

The fourth proportional to 11,786,480.61, 16,267,575.38 and 7,378,258.11 is: 10,183,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786,480.61 : 16,267,575.38 = 7,378,258.11 : x
  2. Step 2: Convert to fraction form
    11,786,480.61/16,267,575.38 = 7,378,258.11/x
  3. Step 3: Cross multiply
    11,786,480.61x = 16,267,575.38 × 7,378,258.11
  4. Step 4: Simplify right side
    11,786,480.61x = 120,026,369,940,630.05
  5. Step 5: Solve for x
    x = 120,026,369,940,630.05/11,786,480.61
  6. Step 6: Final answer
    x = 10,183,393.49

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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.