Home / 8,205,881.33-12,297,819.53-6,386,443.27

Finding the Fourth Proportional to 8,205,881.33, 12,297,819.53 and 6,386,443.27

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Solution

The fourth proportional to 8,205,881.33, 12,297,819.53 and 6,386,443.27 is: 9,571,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,881.33 : 12,297,819.53 = 6,386,443.27 : x
  2. Step 2: Convert to fraction form
    8,205,881.33/12,297,819.53 = 6,386,443.27/x
  3. Step 3: Cross multiply
    8,205,881.33x = 12,297,819.53 × 6,386,443.27
  4. Step 4: Simplify right side
    8,205,881.33x = 78,539,326,773,043.05
  5. Step 5: Solve for x
    x = 78,539,326,773,043.05/8,205,881.33
  6. Step 6: Final answer
    x = 9,571,101.95

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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.