Home / 7,887,022.20-11,829,366.90-2,207,820.60

Finding the Fourth Proportional to 7,887,022.20, 11,829,366.90 and 2,207,820.60

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Solution

The fourth proportional to 7,887,022.20, 11,829,366.90 and 2,207,820.60 is: 3,311,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,022.20 : 11,829,366.90 = 2,207,820.60 : x
  2. Step 2: Convert to fraction form
    7,887,022.20/11,829,366.90 = 2,207,820.60/x
  3. Step 3: Cross multiply
    7,887,022.20x = 11,829,366.90 × 2,207,820.60
  4. Step 4: Simplify right side
    7,887,022.20x = 26,117,119,926,778.14
  5. Step 5: Solve for x
    x = 26,117,119,926,778.14/7,887,022.20
  6. Step 6: Final answer
    x = 3,311,404.39

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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.