Home / 14,388,342.80-21,554,520.60-8,691,645.20

Finding the Fourth Proportional to 14,388,342.80, 21,554,520.60 and 8,691,645.20

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Solution

The fourth proportional to 14,388,342.80, 21,554,520.60 and 8,691,645.20 is: 13,020,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388,342.80 : 21,554,520.60 = 8,691,645.20 : x
  2. Step 2: Convert to fraction form
    14,388,342.80/21,554,520.60 = 8,691,645.20/x
  3. Step 3: Cross multiply
    14,388,342.80x = 21,554,520.60 × 8,691,645.20
  4. Step 4: Simplify right side
    14,388,342.80x = 187,344,245,511,291.12
  5. Step 5: Solve for x
    x = 187,344,245,511,291.12/14,388,342.80
  6. Step 6: Final answer
    x = 13,020,557.55

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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.