Home / 18,369,694.08-27,540,815.04-12,673,664.64

Finding the Fourth Proportional to 18,369,694.08, 27,540,815.04 and 12,673,664.64

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Solution

The fourth proportional to 18,369,694.08, 27,540,815.04 and 12,673,664.64 is: 19,001,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369,694.08 : 27,540,815.04 = 12,673,664.64 : x
  2. Step 2: Convert to fraction form
    18,369,694.08/27,540,815.04 = 12,673,664.64/x
  3. Step 3: Cross multiply
    18,369,694.08x = 27,540,815.04 × 12,673,664.64
  4. Step 4: Simplify right side
    18,369,694.08x = 349,043,053,729,228.19
  5. Step 5: Solve for x
    x = 349,043,053,729,228.19/18,369,694.08
  6. Step 6: Final answer
    x = 19,001,027.03

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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.