Home / 18,397,781.22-25,387,203.37-10,852,729.50

Finding the Fourth Proportional to 18,397,781.22, 25,387,203.37 and 10,852,729.50

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Solution

The fourth proportional to 18,397,781.22, 25,387,203.37 and 10,852,729.50 is: 14,975,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,781.22 : 25,387,203.37 = 10,852,729.50 : x
  2. Step 2: Convert to fraction form
    18,397,781.22/25,387,203.37 = 10,852,729.50/x
  3. Step 3: Cross multiply
    18,397,781.22x = 25,387,203.37 × 10,852,729.50
  4. Step 4: Simplify right side
    18,397,781.22x = 275,520,450,962,103.59
  5. Step 5: Solve for x
    x = 275,520,450,962,103.59/18,397,781.22
  6. Step 6: Final answer
    x = 14,975,743.42

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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.