Home / 8,205,890.22-12,297,832.88-6,386,452.22

Finding the Fourth Proportional to 8,205,890.22, 12,297,832.88 and 6,386,452.22

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Solution

The fourth proportional to 8,205,890.22, 12,297,832.88 and 6,386,452.22 is: 9,571,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,890.22 : 12,297,832.88 = 6,386,452.22 : x
  2. Step 2: Convert to fraction form
    8,205,890.22/12,297,832.88 = 6,386,452.22/x
  3. Step 3: Cross multiply
    8,205,890.22x = 12,297,832.88 × 6,386,452.22
  4. Step 4: Simplify right side
    8,205,890.22x = 78,539,522,096,477.31
  5. Step 5: Solve for x
    x = 78,539,522,096,477.31/8,205,890.22
  6. Step 6: Final answer
    x = 9,571,115.38

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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.