Home / 8,190,770.80-12,294,029.40-4,151,819.20

Finding the Fourth Proportional to 8,190,770.80, 12,294,029.40 and 4,151,819.20

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Solution

The fourth proportional to 8,190,770.80, 12,294,029.40 and 4,151,819.20 is: 6,231,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,770.80 : 12,294,029.40 = 4,151,819.20 : x
  2. Step 2: Convert to fraction form
    8,190,770.80/12,294,029.40 = 4,151,819.20/x
  3. Step 3: Cross multiply
    8,190,770.80x = 12,294,029.40 × 4,151,819.20
  4. Step 4: Simplify right side
    8,190,770.80x = 51,042,587,308,284.48
  5. Step 5: Solve for x
    x = 51,042,587,308,284.48/8,190,770.80
  6. Step 6: Final answer
    x = 6,231,719.65

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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.