Home / 20,617,635.53-28,450,643.04-11,324,725.33

Finding the Fourth Proportional to 20,617,635.53, 28,450,643.04 and 11,324,725.33

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Solution

The fourth proportional to 20,617,635.53, 28,450,643.04 and 11,324,725.33 is: 15,627,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617,635.53 : 28,450,643.04 = 11,324,725.33 : x
  2. Step 2: Convert to fraction form
    20,617,635.53/28,450,643.04 = 11,324,725.33/x
  3. Step 3: Cross multiply
    20,617,635.53x = 28,450,643.04 × 11,324,725.33
  4. Step 4: Simplify right side
    20,617,635.53x = 322,195,717,833,252.56
  5. Step 5: Solve for x
    x = 322,195,717,833,252.56/20,617,635.53
  6. Step 6: Final answer
    x = 15,627,190.49

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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.