Home / 18,263,765.66-25,191,857.86-11,745,640.58

Finding the Fourth Proportional to 18,263,765.66, 25,191,857.86 and 11,745,640.58

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Solution

The fourth proportional to 18,263,765.66, 25,191,857.86 and 11,745,640.58 is: 16,201,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263,765.66 : 25,191,857.86 = 11,745,640.58 : x
  2. Step 2: Convert to fraction form
    18,263,765.66/25,191,857.86 = 11,745,640.58/x
  3. Step 3: Cross multiply
    18,263,765.66x = 25,191,857.86 × 11,745,640.58
  4. Step 4: Simplify right side
    18,263,765.66x = 295,894,507,810,684.56
  5. Step 5: Solve for x
    x = 295,894,507,810,684.56/18,263,765.66
  6. Step 6: Final answer
    x = 16,201,177.42

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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.