Home / 18,336,940.89-25,305,128.51-11,465,406.33

Finding the Fourth Proportional to 18,336,940.89, 25,305,128.51 and 11,465,406.33

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Solution

The fourth proportional to 18,336,940.89, 25,305,128.51 and 11,465,406.33 is: 15,822,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336,940.89 : 25,305,128.51 = 11,465,406.33 : x
  2. Step 2: Convert to fraction form
    18,336,940.89/25,305,128.51 = 11,465,406.33/x
  3. Step 3: Cross multiply
    18,336,940.89x = 25,305,128.51 × 11,465,406.33
  4. Step 4: Simplify right side
    18,336,940.89x = 290,133,580,542,690.44
  5. Step 5: Solve for x
    x = 290,133,580,542,690.44/18,336,940.89
  6. Step 6: Final answer
    x = 15,822,354.57

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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.