Home / 10,691,616.40-16,039,024.94-3,869,785.67

Finding the Fourth Proportional to 10,691,616.40, 16,039,024.94 and 3,869,785.67

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Solution

The fourth proportional to 10,691,616.40, 16,039,024.94 and 3,869,785.67 is: 5,805,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691,616.40 : 16,039,024.94 = 3,869,785.67 : x
  2. Step 2: Convert to fraction form
    10,691,616.40/16,039,024.94 = 3,869,785.67/x
  3. Step 3: Cross multiply
    10,691,616.40x = 16,039,024.94 × 3,869,785.67
  4. Step 4: Simplify right side
    10,691,616.40x = 62,067,588,803,063.95
  5. Step 5: Solve for x
    x = 62,067,588,803,063.95/10,691,616.40
  6. Step 6: Final answer
    x = 5,805,257.74

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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.