Home / 20,283,822.80-27,991,514.76-11,116,443.68

Finding the Fourth Proportional to 20,283,822.80, 27,991,514.76 and 11,116,443.68

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Solution

The fourth proportional to 20,283,822.80, 27,991,514.76 and 11,116,443.68 is: 15,340,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,283,822.80 : 27,991,514.76 = 11,116,443.68 : x
  2. Step 2: Convert to fraction form
    20,283,822.80/27,991,514.76 = 11,116,443.68/x
  3. Step 3: Cross multiply
    20,283,822.80x = 27,991,514.76 × 11,116,443.68
  4. Step 4: Simplify right side
    20,283,822.80x = 311,166,097,347,428.75
  5. Step 5: Solve for x
    x = 311,166,097,347,428.75/20,283,822.80
  6. Step 6: Final answer
    x = 15,340,604.21

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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.