Home / 8,308,531.20-12,453,465.60-3,515,404.80

Finding the Fourth Proportional to 8,308,531.20, 12,453,465.60 and 3,515,404.80

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Solution

The fourth proportional to 8,308,531.20, 12,453,465.60 and 3,515,404.80 is: 5,269,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,531.20 : 12,453,465.60 = 3,515,404.80 : x
  2. Step 2: Convert to fraction form
    8,308,531.20/12,453,465.60 = 3,515,404.80/x
  3. Step 3: Cross multiply
    8,308,531.20x = 12,453,465.60 × 3,515,404.80
  4. Step 4: Simplify right side
    8,308,531.20x = 43,778,972,746,874.88
  5. Step 5: Solve for x
    x = 43,778,972,746,874.88/8,308,531.20
  6. Step 6: Final answer
    x = 5,269,159.10

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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.