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Finding the Fourth Proportional to 19,123,323.99, 26,382,695.99 and 11,768,388.13

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Solution

The fourth proportional to 19,123,323.99, 26,382,695.99 and 11,768,388.13 is: 16,235,765.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,323.99 : 26,382,695.99 = 11,768,388.13 : x
  2. Step 2: Convert to fraction form
    19,123,323.99/26,382,695.99 = 11,768,388.13/x
  3. Step 3: Cross multiply
    19,123,323.99x = 26,382,695.99 × 11,768,388.13
  4. Step 4: Simplify right side
    19,123,323.99x = 310,481,806,326,114.62
  5. Step 5: Solve for x
    x = 310,481,806,326,114.62/19,123,323.99
  6. Step 6: Final answer
    x = 16,235,765.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.