Home / 8,641,197.70-12,949,627.11-6,611,583.94

Finding the Fourth Proportional to 8,641,197.70, 12,949,627.11 and 6,611,583.94

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Solution

The fourth proportional to 8,641,197.70, 12,949,627.11 and 6,611,583.94 is: 9,908,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,641,197.70 : 12,949,627.11 = 6,611,583.94 : x
  2. Step 2: Convert to fraction form
    8,641,197.70/12,949,627.11 = 6,611,583.94/x
  3. Step 3: Cross multiply
    8,641,197.70x = 12,949,627.11 × 6,611,583.94
  4. Step 4: Simplify right side
    8,641,197.70x = 85,617,546,629,464.61
  5. Step 5: Solve for x
    x = 85,617,546,629,464.61/8,641,197.70
  6. Step 6: Final answer
    x = 9,908,064.78

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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.