Home / 11,043,120.87-16,518,538.32-7,760,237.54

Finding the Fourth Proportional to 11,043,120.87, 16,518,538.32 and 7,760,237.54

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Solution

The fourth proportional to 11,043,120.87, 16,518,538.32 and 7,760,237.54 is: 11,607,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043,120.87 : 16,518,538.32 = 7,760,237.54 : x
  2. Step 2: Convert to fraction form
    11,043,120.87/16,518,538.32 = 7,760,237.54/x
  3. Step 3: Cross multiply
    11,043,120.87x = 16,518,538.32 × 7,760,237.54
  4. Step 4: Simplify right side
    11,043,120.87x = 128,187,781,055,398.66
  5. Step 5: Solve for x
    x = 128,187,781,055,398.66/11,043,120.87
  6. Step 6: Final answer
    x = 11,607,930.64

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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.