Home / 30,622,945.05-42,260,425.25-18,857,759.85

Finding the Fourth Proportional to 30,622,945.05, 42,260,425.25 and 18,857,759.85

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Solution

The fourth proportional to 30,622,945.05, 42,260,425.25 and 18,857,759.85 is: 26,024,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,945.05 : 42,260,425.25 = 18,857,759.85 : x
  2. Step 2: Convert to fraction form
    30,622,945.05/42,260,425.25 = 18,857,759.85/x
  3. Step 3: Cross multiply
    30,622,945.05x = 42,260,425.25 × 18,857,759.85
  4. Step 4: Simplify right side
    30,622,945.05x = 796,936,950,429,087.38
  5. Step 5: Solve for x
    x = 796,936,950,429,087.38/30,622,945.05
  6. Step 6: Final answer
    x = 26,024,177.27

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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.