Home / 20,029,231.56-30,042,944.51-8,352,794.82

Finding the Fourth Proportional to 20,029,231.56, 30,042,944.51 and 8,352,794.82

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Solution

The fourth proportional to 20,029,231.56, 30,042,944.51 and 8,352,794.82 is: 12,528,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029,231.56 : 30,042,944.51 = 8,352,794.82 : x
  2. Step 2: Convert to fraction form
    20,029,231.56/30,042,944.51 = 8,352,794.82/x
  3. Step 3: Cross multiply
    20,029,231.56x = 30,042,944.51 × 8,352,794.82
  4. Step 4: Simplify right side
    20,029,231.56x = 250,942,551,238,911.47
  5. Step 5: Solve for x
    x = 250,942,551,238,911.47/20,029,231.56
  6. Step 6: Final answer
    x = 12,528,815.72

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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.