Home / 18,132,745.22-25,023,802.56-9,873,127.84

Finding the Fourth Proportional to 18,132,745.22, 25,023,802.56 and 9,873,127.84

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Solution

The fourth proportional to 18,132,745.22, 25,023,802.56 and 9,873,127.84 is: 13,625,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132,745.22 : 25,023,802.56 = 9,873,127.84 : x
  2. Step 2: Convert to fraction form
    18,132,745.22/25,023,802.56 = 9,873,127.84/x
  3. Step 3: Cross multiply
    18,132,745.22x = 25,023,802.56 × 9,873,127.84
  4. Step 4: Simplify right side
    18,132,745.22x = 247,063,201,717,799.25
  5. Step 5: Solve for x
    x = 247,063,201,717,799.25/18,132,745.22
  6. Step 6: Final answer
    x = 13,625,250.82

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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.