Home / 18,363,181.23-25,323,986.43-11,394,989.37

Finding the Fourth Proportional to 18,363,181.23, 25,323,986.43 and 11,394,989.37

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Solution

The fourth proportional to 18,363,181.23, 25,323,986.43 and 11,394,989.37 is: 15,714,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363,181.23 : 25,323,986.43 = 11,394,989.37 : x
  2. Step 2: Convert to fraction form
    18,363,181.23/25,323,986.43 = 11,394,989.37/x
  3. Step 3: Cross multiply
    18,363,181.23x = 25,323,986.43 × 11,394,989.37
  4. Step 4: Simplify right side
    18,363,181.23x = 288,566,556,175,874.25
  5. Step 5: Solve for x
    x = 288,566,556,175,874.25/18,363,181.23
  6. Step 6: Final answer
    x = 15,714,409.86

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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.