Home / 19,542,022.80-29,313,034.20-13,873,318.80

Finding the Fourth Proportional to 19,542,022.80, 29,313,034.20 and 13,873,318.80

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Solution

The fourth proportional to 19,542,022.80, 29,313,034.20 and 13,873,318.80 is: 20,809,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542,022.80 : 29,313,034.20 = 13,873,318.80 : x
  2. Step 2: Convert to fraction form
    19,542,022.80/29,313,034.20 = 13,873,318.80/x
  3. Step 3: Cross multiply
    19,542,022.80x = 29,313,034.20 × 13,873,318.80
  4. Step 4: Simplify right side
    19,542,022.80x = 406,669,068,451,903
  5. Step 5: Solve for x
    x = 406,669,068,451,903/19,542,022.80
  6. Step 6: Final answer
    x = 20,809,978.20

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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.