Home / 19,010,251.20-28,515,376.80-11,451,979.20

Finding the Fourth Proportional to 19,010,251.20, 28,515,376.80 and 11,451,979.20

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Solution

The fourth proportional to 19,010,251.20, 28,515,376.80 and 11,451,979.20 is: 17,177,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010,251.20 : 28,515,376.80 = 11,451,979.20 : x
  2. Step 2: Convert to fraction form
    19,010,251.20/28,515,376.80 = 11,451,979.20/x
  3. Step 3: Cross multiply
    19,010,251.20x = 28,515,376.80 × 11,451,979.20
  4. Step 4: Simplify right side
    19,010,251.20x = 326,557,501,993,762.56
  5. Step 5: Solve for x
    x = 326,557,501,993,762.56/19,010,251.20
  6. Step 6: Final answer
    x = 17,177,968.80

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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.