Home / 18,695,747.86-28,040,814.99-5,914,591.78

Finding the Fourth Proportional to 18,695,747.86, 28,040,814.99 and 5,914,591.78

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Solution

The fourth proportional to 18,695,747.86, 28,040,814.99 and 5,914,591.78 is: 8,870,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695,747.86 : 28,040,814.99 = 5,914,591.78 : x
  2. Step 2: Convert to fraction form
    18,695,747.86/28,040,814.99 = 5,914,591.78/x
  3. Step 3: Cross multiply
    18,695,747.86x = 28,040,814.99 × 5,914,591.78
  4. Step 4: Simplify right side
    18,695,747.86x = 165,849,973,844,354.78
  5. Step 5: Solve for x
    x = 165,849,973,844,354.78/18,695,747.86
  6. Step 6: Final answer
    x = 8,870,999.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.