Home / 23,008,060.99-31,753,023.20-13,220,395.21

Finding the Fourth Proportional to 23,008,060.99, 31,753,023.20 and 13,220,395.21

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Solution

The fourth proportional to 23,008,060.99, 31,753,023.20 and 13,220,395.21 is: 18,245,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,008,060.99 : 31,753,023.20 = 13,220,395.21 : x
  2. Step 2: Convert to fraction form
    23,008,060.99/31,753,023.20 = 13,220,395.21/x
  3. Step 3: Cross multiply
    23,008,060.99x = 31,753,023.20 × 13,220,395.21
  4. Step 4: Simplify right side
    23,008,060.99x = 419,787,515,816,298.88
  5. Step 5: Solve for x
    x = 419,787,515,816,298.88/23,008,060.99
  6. Step 6: Final answer
    x = 18,245,236.57

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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.