Home / 18,476,674.16-27,718,972.43-5,523,838.61

Finding the Fourth Proportional to 18,476,674.16, 27,718,972.43 and 5,523,838.61

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Solution

The fourth proportional to 18,476,674.16, 27,718,972.43 and 5,523,838.61 is: 8,286,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476,674.16 : 27,718,972.43 = 5,523,838.61 : x
  2. Step 2: Convert to fraction form
    18,476,674.16/27,718,972.43 = 5,523,838.61/x
  3. Step 3: Cross multiply
    18,476,674.16x = 27,718,972.43 × 5,523,838.61
  4. Step 4: Simplify right side
    18,476,674.16x = 153,115,129,972,145.47
  5. Step 5: Solve for x
    x = 153,115,129,972,145.47/18,476,674.16
  6. Step 6: Final answer
    x = 8,286,942.16

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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.