Home / 8,205,021.87-12,309,660.69-4,363,685.53

Finding the Fourth Proportional to 8,205,021.87, 12,309,660.69 and 4,363,685.53

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Solution

The fourth proportional to 8,205,021.87, 12,309,660.69 and 4,363,685.53 is: 6,546,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,021.87 : 12,309,660.69 = 4,363,685.53 : x
  2. Step 2: Convert to fraction form
    8,205,021.87/12,309,660.69 = 4,363,685.53/x
  3. Step 3: Cross multiply
    8,205,021.87x = 12,309,660.69 × 4,363,685.53
  4. Step 4: Simplify right side
    8,205,021.87x = 53,715,488,185,024.84
  5. Step 5: Solve for x
    x = 53,715,488,185,024.84/8,205,021.87
  6. Step 6: Final answer
    x = 6,546,659.97

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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.