Home / 12,291,824.68-18,431,835.90-5,809,500.52

Finding the Fourth Proportional to 12,291,824.68, 18,431,835.90 and 5,809,500.52

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Solution

The fourth proportional to 12,291,824.68, 18,431,835.90 and 5,809,500.52 is: 8,711,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,824.68 : 18,431,835.90 = 5,809,500.52 : x
  2. Step 2: Convert to fraction form
    12,291,824.68/18,431,835.90 = 5,809,500.52/x
  3. Step 3: Cross multiply
    12,291,824.68x = 18,431,835.90 × 5,809,500.52
  4. Step 4: Simplify right side
    12,291,824.68x = 107,079,760,245,604.66
  5. Step 5: Solve for x
    x = 107,079,760,245,604.66/12,291,824.68
  6. Step 6: Final answer
    x = 8,711,461.73

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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.