Home / 8,085,284.10-12,127,926.15-7,288,122.60

Finding the Fourth Proportional to 8,085,284.10, 12,127,926.15 and 7,288,122.60

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Solution

The fourth proportional to 8,085,284.10, 12,127,926.15 and 7,288,122.60 is: 10,932,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,284.10 : 12,127,926.15 = 7,288,122.60 : x
  2. Step 2: Convert to fraction form
    8,085,284.10/12,127,926.15 = 7,288,122.60/x
  3. Step 3: Cross multiply
    8,085,284.10x = 12,127,926.15 × 7,288,122.60
  4. Step 4: Simplify right side
    8,085,284.10x = 88,389,812,664,945.98
  5. Step 5: Solve for x
    x = 88,389,812,664,945.98/8,085,284.10
  6. Step 6: Final answer
    x = 10,932,183.90

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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.