Home / 18,383,496.30-27,584,101.80-12,980,512.80

Finding the Fourth Proportional to 18,383,496.30, 27,584,101.80 and 12,980,512.80

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Solution

The fourth proportional to 18,383,496.30, 27,584,101.80 and 12,980,512.80 is: 19,477,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383,496.30 : 27,584,101.80 = 12,980,512.80 : x
  2. Step 2: Convert to fraction form
    18,383,496.30/27,584,101.80 = 12,980,512.80/x
  3. Step 3: Cross multiply
    18,383,496.30x = 27,584,101.80 × 12,980,512.80
  4. Step 4: Simplify right side
    18,383,496.30x = 358,055,786,491,403.06
  5. Step 5: Solve for x
    x = 358,055,786,491,403.06/18,383,496.30
  6. Step 6: Final answer
    x = 19,477,023.34

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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.