Home / 13,976,680.82-20,970,065.82-4,880,118.56

Finding the Fourth Proportional to 13,976,680.82, 20,970,065.82 and 4,880,118.56

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Solution

The fourth proportional to 13,976,680.82, 20,970,065.82 and 4,880,118.56 is: 7,321,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976,680.82 : 20,970,065.82 = 4,880,118.56 : x
  2. Step 2: Convert to fraction form
    13,976,680.82/20,970,065.82 = 4,880,118.56/x
  3. Step 3: Cross multiply
    13,976,680.82x = 20,970,065.82 × 4,880,118.56
  4. Step 4: Simplify right side
    13,976,680.82x = 102,336,407,412,603.61
  5. Step 5: Solve for x
    x = 102,336,407,412,603.61/13,976,680.82
  6. Step 6: Final answer
    x = 7,321,939.22

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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.