Home / 41,313,057.20-61,971,918.60-12,560,130.80

Finding the Fourth Proportional to 41,313,057.20, 61,971,918.60 and 12,560,130.80

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Solution

The fourth proportional to 41,313,057.20, 61,971,918.60 and 12,560,130.80 is: 18,840,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,313,057.20 : 61,971,918.60 = 12,560,130.80 : x
  2. Step 2: Convert to fraction form
    41,313,057.20/61,971,918.60 = 12,560,130.80/x
  3. Step 3: Cross multiply
    41,313,057.20x = 61,971,918.60 × 12,560,130.80
  4. Step 4: Simplify right side
    41,313,057.20x = 778,375,403,542,953
  5. Step 5: Solve for x
    x = 778,375,403,542,953/41,313,057.20
  6. Step 6: Final answer
    x = 18,840,905.43

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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.