Home / 8,317,687.20-12,476,530.80-8,205,712.80

Finding the Fourth Proportional to 8,317,687.20, 12,476,530.80 and 8,205,712.80

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Solution

The fourth proportional to 8,317,687.20, 12,476,530.80 and 8,205,712.80 is: 12,308,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,687.20 : 12,476,530.80 = 8,205,712.80 : x
  2. Step 2: Convert to fraction form
    8,317,687.20/12,476,530.80 = 8,205,712.80/x
  3. Step 3: Cross multiply
    8,317,687.20x = 12,476,530.80 × 8,205,712.80
  4. Step 4: Simplify right side
    8,317,687.20x = 102,378,828,485,154.25
  5. Step 5: Solve for x
    x = 102,378,828,485,154.25/8,317,687.20
  6. Step 6: Final answer
    x = 12,308,569.20

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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.