Home / 10,305,906.40-15,458,859.60-5,770,943.20

Finding the Fourth Proportional to 10,305,906.40, 15,458,859.60 and 5,770,943.20

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Solution

The fourth proportional to 10,305,906.40, 15,458,859.60 and 5,770,943.20 is: 8,656,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305,906.40 : 15,458,859.60 = 5,770,943.20 : x
  2. Step 2: Convert to fraction form
    10,305,906.40/15,458,859.60 = 5,770,943.20/x
  3. Step 3: Cross multiply
    10,305,906.40x = 15,458,859.60 × 5,770,943.20
  4. Step 4: Simplify right side
    10,305,906.40x = 89,212,200,688,374.72
  5. Step 5: Solve for x
    x = 89,212,200,688,374.72/10,305,906.40
  6. Step 6: Final answer
    x = 8,656,414.80

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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.