Home / 17,578,857.40-26,383,838.10-10,381,391.80

Finding the Fourth Proportional to 17,578,857.40, 26,383,838.10 and 10,381,391.80

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Solution

The fourth proportional to 17,578,857.40, 26,383,838.10 and 10,381,391.80 is: 15,581,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,578,857.40 : 26,383,838.10 = 10,381,391.80 : x
  2. Step 2: Convert to fraction form
    17,578,857.40/26,383,838.10 = 10,381,391.80/x
  3. Step 3: Cross multiply
    17,578,857.40x = 26,383,838.10 × 10,381,391.80
  4. Step 4: Simplify right side
    17,578,857.40x = 273,900,960,503,867.62
  5. Step 5: Solve for x
    x = 273,900,960,503,867.62/17,578,857.40
  6. Step 6: Final answer
    x = 15,581,272.11

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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.