Home / 11,628,908.89-17,443,844.31-3,431,551.21

Finding the Fourth Proportional to 11,628,908.89, 17,443,844.31 and 3,431,551.21

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Solution

The fourth proportional to 11,628,908.89, 17,443,844.31 and 3,431,551.21 is: 5,147,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628,908.89 : 17,443,844.31 = 3,431,551.21 : x
  2. Step 2: Convert to fraction form
    11,628,908.89/17,443,844.31 = 3,431,551.21/x
  3. Step 3: Cross multiply
    11,628,908.89x = 17,443,844.31 × 3,431,551.21
  4. Step 4: Simplify right side
    11,628,908.89x = 59,859,445,049,032.11
  5. Step 5: Solve for x
    x = 59,859,445,049,032.11/11,628,908.89
  6. Step 6: Final answer
    x = 5,147,468.74

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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.