Home / 20,704,654.70-31,053,614.97-9,774,823.31

Finding the Fourth Proportional to 20,704,654.70, 31,053,614.97 and 9,774,823.31

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Solution

The fourth proportional to 20,704,654.70, 31,053,614.97 and 9,774,823.31 is: 14,660,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704,654.70 : 31,053,614.97 = 9,774,823.31 : x
  2. Step 2: Convert to fraction form
    20,704,654.70/31,053,614.97 = 9,774,823.31/x
  3. Step 3: Cross multiply
    20,704,654.70x = 31,053,614.97 × 9,774,823.31
  4. Step 4: Simplify right side
    20,704,654.70x = 303,543,599,313,252.88
  5. Step 5: Solve for x
    x = 303,543,599,313,252.88/20,704,654.70
  6. Step 6: Final answer
    x = 14,660,645.34

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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.