Home / 8,099,538.60-12,149,307.90-2,115,906.60

Finding the Fourth Proportional to 8,099,538.60, 12,149,307.90 and 2,115,906.60

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Solution

The fourth proportional to 8,099,538.60, 12,149,307.90 and 2,115,906.60 is: 3,173,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099,538.60 : 12,149,307.90 = 2,115,906.60 : x
  2. Step 2: Convert to fraction form
    8,099,538.60/12,149,307.90 = 2,115,906.60/x
  3. Step 3: Cross multiply
    8,099,538.60x = 12,149,307.90 × 2,115,906.60
  4. Step 4: Simplify right side
    8,099,538.60x = 25,706,800,771,042.14
  5. Step 5: Solve for x
    x = 25,706,800,771,042.14/8,099,538.60
  6. Step 6: Final answer
    x = 3,173,859.90

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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.