Home / 20,764,405.82-31,153,262.52-14,538,993.18

Finding the Fourth Proportional to 20,764,405.82, 31,153,262.52 and 14,538,993.18

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Solution

The fourth proportional to 20,764,405.82, 31,153,262.52 and 14,538,993.18 is: 21,813,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,764,405.82 : 31,153,262.52 = 14,538,993.18 : x
  2. Step 2: Convert to fraction form
    20,764,405.82/31,153,262.52 = 14,538,993.18/x
  3. Step 3: Cross multiply
    20,764,405.82x = 31,153,262.52 × 14,538,993.18
  4. Step 4: Simplify right side
    20,764,405.82x = 452,937,071,313,029.62
  5. Step 5: Solve for x
    x = 452,937,071,313,029.62/20,764,405.82
  6. Step 6: Final answer
    x = 21,813,148.68

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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.