Home / 20,524,888.56-30,782,356.20-8,551,092.72

Finding the Fourth Proportional to 20,524,888.56, 30,782,356.20 and 8,551,092.72

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Solution

The fourth proportional to 20,524,888.56, 30,782,356.20 and 8,551,092.72 is: 12,824,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524,888.56 : 30,782,356.20 = 8,551,092.72 : x
  2. Step 2: Convert to fraction form
    20,524,888.56/30,782,356.20 = 8,551,092.72/x
  3. Step 3: Cross multiply
    20,524,888.56x = 30,782,356.20 × 8,551,092.72
  4. Step 4: Simplify right side
    20,524,888.56x = 263,222,782,006,266.88
  5. Step 5: Solve for x
    x = 263,222,782,006,266.88/20,524,888.56
  6. Step 6: Final answer
    x = 12,824,565.71

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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.