Home / 8,189,315.88-11,304,879.60-5,290,120.12

Finding the Fourth Proportional to 8,189,315.88, 11,304,879.60 and 5,290,120.12

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Solution

The fourth proportional to 8,189,315.88, 11,304,879.60 and 5,290,120.12 is: 7,302,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,315.88 : 11,304,879.60 = 5,290,120.12 : x
  2. Step 2: Convert to fraction form
    8,189,315.88/11,304,879.60 = 5,290,120.12/x
  3. Step 3: Cross multiply
    8,189,315.88x = 11,304,879.60 × 5,290,120.12
  4. Step 4: Simplify right side
    8,189,315.88x = 59,804,171,026,137.55
  5. Step 5: Solve for x
    x = 59,804,171,026,137.55/8,189,315.88
  6. Step 6: Final answer
    x = 7,302,706.59

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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.