Home / 10,993,930.92-15,165,321.12-6,856,779.24

Finding the Fourth Proportional to 10,993,930.92, 15,165,321.12 and 6,856,779.24

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Solution

The fourth proportional to 10,993,930.92, 15,165,321.12 and 6,856,779.24 is: 9,458,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993,930.92 : 15,165,321.12 = 6,856,779.24 : x
  2. Step 2: Convert to fraction form
    10,993,930.92/15,165,321.12 = 6,856,779.24/x
  3. Step 3: Cross multiply
    10,993,930.92x = 15,165,321.12 × 6,856,779.24
  4. Step 4: Simplify right side
    10,993,930.92x = 103,985,259,023,549.55
  5. Step 5: Solve for x
    x = 103,985,259,023,549.55/10,993,930.92
  6. Step 6: Final answer
    x = 9,458,423.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.