Home / 33,321,012.73-45,982,657.60-18,636,643.96

Finding the Fourth Proportional to 33,321,012.73, 45,982,657.60 and 18,636,643.96

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Solution

The fourth proportional to 33,321,012.73, 45,982,657.60 and 18,636,643.96 is: 25,718,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,321,012.73 : 45,982,657.60 = 18,636,643.96 : x
  2. Step 2: Convert to fraction form
    33,321,012.73/45,982,657.60 = 18,636,643.96/x
  3. Step 3: Cross multiply
    33,321,012.73x = 45,982,657.60 × 18,636,643.96
  4. Step 4: Simplify right side
    33,321,012.73x = 856,962,418,025,788.12
  5. Step 5: Solve for x
    x = 856,962,418,025,788.12/33,321,012.73
  6. Step 6: Final answer
    x = 25,718,378.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.