Home / 18,456,201.60-27,689,140.80-7,097,020.80

Finding the Fourth Proportional to 18,456,201.60, 27,689,140.80 and 7,097,020.80

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Solution

The fourth proportional to 18,456,201.60, 27,689,140.80 and 7,097,020.80 is: 10,647,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,201.60 : 27,689,140.80 = 7,097,020.80 : x
  2. Step 2: Convert to fraction form
    18,456,201.60/27,689,140.80 = 7,097,020.80/x
  3. Step 3: Cross multiply
    18,456,201.60x = 27,689,140.80 × 7,097,020.80
  4. Step 4: Simplify right side
    18,456,201.60x = 196,510,408,191,728.62
  5. Step 5: Solve for x
    x = 196,510,408,191,728.62/18,456,201.60
  6. Step 6: Final answer
    x = 10,647,391.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.