Home / 8,403,136.20-12,594,738.60-7,546,186.80

Finding the Fourth Proportional to 8,403,136.20, 12,594,738.60 and 7,546,186.80

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Solution

The fourth proportional to 8,403,136.20, 12,594,738.60 and 7,546,186.80 is: 11,310,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,136.20 : 12,594,738.60 = 7,546,186.80 : x
  2. Step 2: Convert to fraction form
    8,403,136.20/12,594,738.60 = 7,546,186.80/x
  3. Step 3: Cross multiply
    8,403,136.20x = 12,594,738.60 × 7,546,186.80
  4. Step 4: Simplify right side
    8,403,136.20x = 95,042,250,172,770.47
  5. Step 5: Solve for x
    x = 95,042,250,172,770.47/8,403,136.20
  6. Step 6: Final answer
    x = 11,310,330.80

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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.