Home / 15,809,137.56-21,815,596.62-8,840,389.32

Finding the Fourth Proportional to 15,809,137.56, 21,815,596.62 and 8,840,389.32

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Solution

The fourth proportional to 15,809,137.56, 21,815,596.62 and 8,840,389.32 is: 12,199,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809,137.56 : 21,815,596.62 = 8,840,389.32 : x
  2. Step 2: Convert to fraction form
    15,809,137.56/21,815,596.62 = 8,840,389.32/x
  3. Step 3: Cross multiply
    15,809,137.56x = 21,815,596.62 × 8,840,389.32
  4. Step 4: Simplify right side
    15,809,137.56x = 192,858,367,368,876.12
  5. Step 5: Solve for x
    x = 192,858,367,368,876.12/15,809,137.56
  6. Step 6: Final answer
    x = 12,199,170.68

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Why These Related Problems?

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