Home / 10,756,874.60-16,135,311.90-8,321,431.40

Finding the Fourth Proportional to 10,756,874.60, 16,135,311.90 and 8,321,431.40

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Solution

The fourth proportional to 10,756,874.60, 16,135,311.90 and 8,321,431.40 is: 12,482,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756,874.60 : 16,135,311.90 = 8,321,431.40 : x
  2. Step 2: Convert to fraction form
    10,756,874.60/16,135,311.90 = 8,321,431.40/x
  3. Step 3: Cross multiply
    10,756,874.60x = 16,135,311.90 × 8,321,431.40
  4. Step 4: Simplify right side
    10,756,874.60x = 134,268,891,093,453.67
  5. Step 5: Solve for x
    x = 134,268,891,093,453.67/10,756,874.60
  6. Step 6: Final answer
    x = 12,482,147.10

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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.