Home / 18,321,297.80-25,269,380.93-12,445,462.52

Finding the Fourth Proportional to 18,321,297.80, 25,269,380.93 and 12,445,462.52

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Solution

The fourth proportional to 18,321,297.80, 25,269,380.93 and 12,445,462.52 is: 17,165,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,297.80 : 25,269,380.93 = 12,445,462.52 : x
  2. Step 2: Convert to fraction form
    18,321,297.80/25,269,380.93 = 12,445,462.52/x
  3. Step 3: Cross multiply
    18,321,297.80x = 25,269,380.93 × 12,445,462.52
  4. Step 4: Simplify right side
    18,321,297.80x = 314,489,133,172,684.50
  5. Step 5: Solve for x
    x = 314,489,133,172,684.50/18,321,297.80
  6. Step 6: Final answer
    x = 17,165,221.40

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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.