Home / 20,996,809.26-31,483,816.88-9,468,788.31

Finding the Fourth Proportional to 20,996,809.26, 31,483,816.88 and 9,468,788.31

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Solution

The fourth proportional to 20,996,809.26, 31,483,816.88 and 9,468,788.31 is: 14,198,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,809.26 : 31,483,816.88 = 9,468,788.31 : x
  2. Step 2: Convert to fraction form
    20,996,809.26/31,483,816.88 = 9,468,788.31/x
  3. Step 3: Cross multiply
    20,996,809.26x = 31,483,816.88 × 9,468,788.31
  4. Step 4: Simplify right side
    20,996,809.26x = 298,113,597,227,524.69
  5. Step 5: Solve for x
    x = 298,113,597,227,524.69/20,996,809.26
  6. Step 6: Final answer
    x = 14,198,042.83

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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.