Home / 20,658,101.24-30,990,935.24-8,520,943.73

Finding the Fourth Proportional to 20,658,101.24, 30,990,935.24 and 8,520,943.73

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Solution

The fourth proportional to 20,658,101.24, 30,990,935.24 and 8,520,943.73 is: 12,782,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,658,101.24 : 30,990,935.24 = 8,520,943.73 : x
  2. Step 2: Convert to fraction form
    20,658,101.24/30,990,935.24 = 8,520,943.73/x
  3. Step 3: Cross multiply
    20,658,101.24x = 30,990,935.24 × 8,520,943.73
  4. Step 4: Simplify right side
    20,658,101.24x = 264,072,015,122,554.62
  5. Step 5: Solve for x
    x = 264,072,015,122,554.62/20,658,101.24
  6. Step 6: Final answer
    x = 12,782,976.14

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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.