Home / 8,780,974.70-13,171,388.16-6,863,498.76

Finding the Fourth Proportional to 8,780,974.70, 13,171,388.16 and 6,863,498.76

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Solution

The fourth proportional to 8,780,974.70, 13,171,388.16 and 6,863,498.76 is: 10,295,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,974.70 : 13,171,388.16 = 6,863,498.76 : x
  2. Step 2: Convert to fraction form
    8,780,974.70/13,171,388.16 = 6,863,498.76/x
  3. Step 3: Cross multiply
    8,780,974.70x = 13,171,388.16 × 6,863,498.76
  4. Step 4: Simplify right side
    8,780,974.70x = 90,401,806,203,464.23
  5. Step 5: Solve for x
    x = 90,401,806,203,464.23/8,780,974.70
  6. Step 6: Final answer
    x = 10,295,190.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.