Home / 10,806,775.11-16,188,861.29-8,787,299.31

Finding the Fourth Proportional to 10,806,775.11, 16,188,861.29 and 8,787,299.31

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Solution

The fourth proportional to 10,806,775.11, 16,188,861.29 and 8,787,299.31 is: 13,163,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806,775.11 : 16,188,861.29 = 8,787,299.31 : x
  2. Step 2: Convert to fraction form
    10,806,775.11/16,188,861.29 = 8,787,299.31/x
  3. Step 3: Cross multiply
    10,806,775.11x = 16,188,861.29 × 8,787,299.31
  4. Step 4: Simplify right side
    10,806,775.11x = 142,256,369,599,366.22
  5. Step 5: Solve for x
    x = 142,256,369,599,366.22/10,806,775.11
  6. Step 6: Final answer
    x = 13,163,628.20

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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.