Home / 18,307,884.90-25,278,318.09-16,040,403.30

Finding the Fourth Proportional to 18,307,884.90, 25,278,318.09 and 16,040,403.30

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Solution

The fourth proportional to 18,307,884.90, 25,278,318.09 and 16,040,403.30 is: 22,147,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307,884.90 : 25,278,318.09 = 16,040,403.30 : x
  2. Step 2: Convert to fraction form
    18,307,884.90/25,278,318.09 = 16,040,403.30/x
  3. Step 3: Cross multiply
    18,307,884.90x = 25,278,318.09 × 16,040,403.30
  4. Step 4: Simplify right side
    18,307,884.90x = 405,474,416,909,285.69
  5. Step 5: Solve for x
    x = 405,474,416,909,285.69/18,307,884.90
  6. Step 6: Final answer
    x = 22,147,529.28

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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.