Home / 10,622,819.60-15,913,234.20-5,821,917.20

Finding the Fourth Proportional to 10,622,819.60, 15,913,234.20 and 5,821,917.20

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Solution

The fourth proportional to 10,622,819.60, 15,913,234.20 and 5,821,917.20 is: 8,721,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622,819.60 : 15,913,234.20 = 5,821,917.20 : x
  2. Step 2: Convert to fraction form
    10,622,819.60/15,913,234.20 = 5,821,917.20/x
  3. Step 3: Cross multiply
    10,622,819.60x = 15,913,234.20 × 5,821,917.20
  4. Step 4: Simplify right side
    10,622,819.60x = 92,645,531,896,608.23
  5. Step 5: Solve for x
    x = 92,645,531,896,608.23/10,622,819.60
  6. Step 6: Final answer
    x = 8,721,369.22

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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.