Home / 19,183,089.38-28,788,805.82-9,085,710.38

Finding the Fourth Proportional to 19,183,089.38, 28,788,805.82 and 9,085,710.38

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Solution

The fourth proportional to 19,183,089.38, 28,788,805.82 and 9,085,710.38 is: 13,635,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183,089.38 : 28,788,805.82 = 9,085,710.38 : x
  2. Step 2: Convert to fraction form
    19,183,089.38/28,788,805.82 = 9,085,710.38/x
  3. Step 3: Cross multiply
    19,183,089.38x = 28,788,805.82 × 9,085,710.38
  4. Step 4: Simplify right side
    19,183,089.38x = 261,566,751,745,348.69
  5. Step 5: Solve for x
    x = 261,566,751,745,348.69/19,183,089.38
  6. Step 6: Final answer
    x = 13,635,277.75

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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.