Home / 7,882,072.20-11,823,108.30-7,084,910.70

Finding the Fourth Proportional to 7,882,072.20, 11,823,108.30 and 7,084,910.70

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Solution

The fourth proportional to 7,882,072.20, 11,823,108.30 and 7,084,910.70 is: 10,627,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,072.20 : 11,823,108.30 = 7,084,910.70 : x
  2. Step 2: Convert to fraction form
    7,882,072.20/11,823,108.30 = 7,084,910.70/x
  3. Step 3: Cross multiply
    7,882,072.20x = 11,823,108.30 × 7,084,910.70
  4. Step 4: Simplify right side
    7,882,072.20x = 83,765,666,501,928.81
  5. Step 5: Solve for x
    x = 83,765,666,501,928.81/7,882,072.20
  6. Step 6: Final answer
    x = 10,627,366.05

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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.