Home / 8,478,644.50-12,723,636.02-3,622,085.97

Finding the Fourth Proportional to 8,478,644.50, 12,723,636.02 and 3,622,085.97

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Solution

The fourth proportional to 8,478,644.50, 12,723,636.02 and 3,622,085.97 is: 5,435,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,644.50 : 12,723,636.02 = 3,622,085.97 : x
  2. Step 2: Convert to fraction form
    8,478,644.50/12,723,636.02 = 3,622,085.97/x
  3. Step 3: Cross multiply
    8,478,644.50x = 12,723,636.02 × 3,622,085.97
  4. Step 4: Simplify right side
    8,478,644.50x = 46,086,103,459,789.88
  5. Step 5: Solve for x
    x = 46,086,103,459,789.88/8,478,644.50
  6. Step 6: Final answer
    x = 5,435,550.87

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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.