Home / 18,728,605.80-28,092,908.70-17,608,861.80

Finding the Fourth Proportional to 18,728,605.80, 28,092,908.70 and 17,608,861.80

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Solution

The fourth proportional to 18,728,605.80, 28,092,908.70 and 17,608,861.80 is: 26,413,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728,605.80 : 28,092,908.70 = 17,608,861.80 : x
  2. Step 2: Convert to fraction form
    18,728,605.80/28,092,908.70 = 17,608,861.80/x
  3. Step 3: Cross multiply
    18,728,605.80x = 28,092,908.70 × 17,608,861.80
  4. Step 4: Simplify right side
    18,728,605.80x = 494,684,146,858,317.69
  5. Step 5: Solve for x
    x = 494,684,146,858,317.69/18,728,605.80
  6. Step 6: Final answer
    x = 26,413,292.70

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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.