Home / 18,509,213.45-25,542,537.03-10,665,844.13

Finding the Fourth Proportional to 18,509,213.45, 25,542,537.03 and 10,665,844.13

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Solution

The fourth proportional to 18,509,213.45, 25,542,537.03 and 10,665,844.13 is: 14,718,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509,213.45 : 25,542,537.03 = 10,665,844.13 : x
  2. Step 2: Convert to fraction form
    18,509,213.45/25,542,537.03 = 10,665,844.13/x
  3. Step 3: Cross multiply
    18,509,213.45x = 25,542,537.03 × 10,665,844.13
  4. Step 4: Simplify right side
    18,509,213.45x = 272,432,718,519,020.47
  5. Step 5: Solve for x
    x = 272,432,718,519,020.47/18,509,213.45
  6. Step 6: Final answer
    x = 14,718,762.60

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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.