Home / 21,517,758.92-29,694,315.48-11,728,202.60

Finding the Fourth Proportional to 21,517,758.92, 29,694,315.48 and 11,728,202.60

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Solution

The fourth proportional to 21,517,758.92, 29,694,315.48 and 11,728,202.60 is: 16,184,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,758.92 : 29,694,315.48 = 11,728,202.60 : x
  2. Step 2: Convert to fraction form
    21,517,758.92/29,694,315.48 = 11,728,202.60/x
  3. Step 3: Cross multiply
    21,517,758.92x = 29,694,315.48 × 11,728,202.60
  4. Step 4: Simplify right side
    21,517,758.92x = 348,260,948,017,756.25
  5. Step 5: Solve for x
    x = 348,260,948,017,756.25/21,517,758.92
  6. Step 6: Final answer
    x = 16,184,815.03

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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.