Home / 18,590,542.56-25,647,457.25-11,235,606.62

Finding the Fourth Proportional to 18,590,542.56, 25,647,457.25 and 11,235,606.62

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Solution

The fourth proportional to 18,590,542.56, 25,647,457.25 and 11,235,606.62 is: 15,500,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590,542.56 : 25,647,457.25 = 11,235,606.62 : x
  2. Step 2: Convert to fraction form
    18,590,542.56/25,647,457.25 = 11,235,606.62/x
  3. Step 3: Cross multiply
    18,590,542.56x = 25,647,457.25 × 11,235,606.62
  4. Step 4: Simplify right side
    18,590,542.56x = 288,164,740,279,851.69
  5. Step 5: Solve for x
    x = 288,164,740,279,851.69/18,590,542.56
  6. Step 6: Final answer
    x = 15,500,609.48

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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.