Home / 19,016,991.03-28,526,679.83-5,371,205.88

Finding the Fourth Proportional to 19,016,991.03, 28,526,679.83 and 5,371,205.88

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Solution

The fourth proportional to 19,016,991.03, 28,526,679.83 and 5,371,205.88 is: 8,057,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016,991.03 : 28,526,679.83 = 5,371,205.88 : x
  2. Step 2: Convert to fraction form
    19,016,991.03/28,526,679.83 = 5,371,205.88/x
  3. Step 3: Cross multiply
    19,016,991.03x = 28,526,679.83 × 5,371,205.88
  4. Step 4: Simplify right side
    19,016,991.03x = 153,222,670,560,176.47
  5. Step 5: Solve for x
    x = 153,222,670,560,176.47/19,016,991.03
  6. Step 6: Final answer
    x = 8,057,145.86

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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.