Home / 8,856,620.20-13,284,930.30-8,688,658.60

Finding the Fourth Proportional to 8,856,620.20, 13,284,930.30 and 8,688,658.60

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Solution

The fourth proportional to 8,856,620.20, 13,284,930.30 and 8,688,658.60 is: 13,032,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856,620.20 : 13,284,930.30 = 8,688,658.60 : x
  2. Step 2: Convert to fraction form
    8,856,620.20/13,284,930.30 = 8,688,658.60/x
  3. Step 3: Cross multiply
    8,856,620.20x = 13,284,930.30 × 8,688,658.60
  4. Step 4: Simplify right side
    8,856,620.20x = 115,428,223,901,495.58
  5. Step 5: Solve for x
    x = 115,428,223,901,495.58/8,856,620.20
  6. Step 6: Final answer
    x = 13,032,987.90

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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.