Home / 20,022,383.52-27,628,821.36-12,287,751.84

Finding the Fourth Proportional to 20,022,383.52, 27,628,821.36 and 12,287,751.84

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Solution

The fourth proportional to 20,022,383.52, 27,628,821.36 and 12,287,751.84 is: 16,955,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,383.52 : 27,628,821.36 = 12,287,751.84 : x
  2. Step 2: Convert to fraction form
    20,022,383.52/27,628,821.36 = 12,287,751.84/x
  3. Step 3: Cross multiply
    20,022,383.52x = 27,628,821.36 × 12,287,751.84
  4. Step 4: Simplify right side
    20,022,383.52x = 339,496,100,503,371.31
  5. Step 5: Solve for x
    x = 339,496,100,503,371.31/20,022,383.52
  6. Step 6: Final answer
    x = 16,955,828.47

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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.