Home / 8,309,372.26-12,465,674.34-3,191,427.76

Finding the Fourth Proportional to 8,309,372.26, 12,465,674.34 and 3,191,427.76

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Solution

The fourth proportional to 8,309,372.26, 12,465,674.34 and 3,191,427.76 is: 4,787,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,372.26 : 12,465,674.34 = 3,191,427.76 : x
  2. Step 2: Convert to fraction form
    8,309,372.26/12,465,674.34 = 3,191,427.76/x
  3. Step 3: Cross multiply
    8,309,372.26x = 12,465,674.34 × 3,191,427.76
  4. Step 4: Simplify right side
    8,309,372.26x = 39,783,299,135,795.67
  5. Step 5: Solve for x
    x = 39,783,299,135,795.67/8,309,372.26
  6. Step 6: Final answer
    x = 4,787,762.29

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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.