Home / 28,328,985.92-39,097,028.64-17,322,186.56

Finding the Fourth Proportional to 28,328,985.92, 39,097,028.64 and 17,322,186.56

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Solution

The fourth proportional to 28,328,985.92, 39,097,028.64 and 17,322,186.56 is: 23,906,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328,985.92 : 39,097,028.64 = 17,322,186.56 : x
  2. Step 2: Convert to fraction form
    28,328,985.92/39,097,028.64 = 17,322,186.56/x
  3. Step 3: Cross multiply
    28,328,985.92x = 39,097,028.64 × 17,322,186.56
  4. Step 4: Simplify right side
    28,328,985.92x = 677,246,024,043,743
  5. Step 5: Solve for x
    x = 677,246,024,043,743/28,328,985.92
  6. Step 6: Final answer
    x = 23,906,469.01

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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.