Home / 20,199,189.96-27,875,059.17-11,497,922.04

Finding the Fourth Proportional to 20,199,189.96, 27,875,059.17 and 11,497,922.04

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Solution

The fourth proportional to 20,199,189.96, 27,875,059.17 and 11,497,922.04 is: 15,867,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,189.96 : 27,875,059.17 = 11,497,922.04 : x
  2. Step 2: Convert to fraction form
    20,199,189.96/27,875,059.17 = 11,497,922.04/x
  3. Step 3: Cross multiply
    20,199,189.96x = 27,875,059.17 × 11,497,922.04
  4. Step 4: Simplify right side
    20,199,189.96x = 320,505,257,197,047.12
  5. Step 5: Solve for x
    x = 320,505,257,197,047.12/20,199,189.96
  6. Step 6: Final answer
    x = 15,867,233.18

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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.