Home / 18,147,893.54-25,043,777.74-9,888,023.70

Finding the Fourth Proportional to 18,147,893.54, 25,043,777.74 and 9,888,023.70

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Solution

The fourth proportional to 18,147,893.54, 25,043,777.74 and 9,888,023.70 is: 13,645,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,893.54 : 25,043,777.74 = 9,888,023.70 : x
  2. Step 2: Convert to fraction form
    18,147,893.54/25,043,777.74 = 9,888,023.70/x
  3. Step 3: Cross multiply
    18,147,893.54x = 25,043,777.74 × 9,888,023.70
  4. Step 4: Simplify right side
    18,147,893.54x = 247,633,467,843,012.47
  5. Step 5: Solve for x
    x = 247,633,467,843,012.47/18,147,893.54
  6. Step 6: Final answer
    x = 13,645,300.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.