Home / 18,509,213.94-25,542,537.72-10,665,844.62

Finding the Fourth Proportional to 18,509,213.94, 25,542,537.72 and 10,665,844.62

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Solution

The fourth proportional to 18,509,213.94, 25,542,537.72 and 10,665,844.62 is: 14,718,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509,213.94 : 25,542,537.72 = 10,665,844.62 : x
  2. Step 2: Convert to fraction form
    18,509,213.94/25,542,537.72 = 10,665,844.62/x
  3. Step 3: Cross multiply
    18,509,213.94x = 25,542,537.72 × 10,665,844.62
  4. Step 4: Simplify right side
    18,509,213.94x = 272,432,738,522,009.03
  5. Step 5: Solve for x
    x = 272,432,738,522,009.03/18,509,213.94
  6. Step 6: Final answer
    x = 14,718,763.28

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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.