Home / 17,072,678.88-25,599,568.32-6,982,385.76

Finding the Fourth Proportional to 17,072,678.88, 25,599,568.32 and 6,982,385.76

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Solution

The fourth proportional to 17,072,678.88, 25,599,568.32 and 6,982,385.76 is: 10,469,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072,678.88 : 25,599,568.32 = 6,982,385.76 : x
  2. Step 2: Convert to fraction form
    17,072,678.88/25,599,568.32 = 6,982,385.76/x
  3. Step 3: Cross multiply
    17,072,678.88x = 25,599,568.32 × 6,982,385.76
  4. Step 4: Simplify right side
    17,072,678.88x = 178,746,061,299,715.12
  5. Step 5: Solve for x
    x = 178,746,061,299,715.12/17,072,678.88
  6. Step 6: Final answer
    x = 10,469,713.78

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1.5x scale

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.