Home / 7,179,042.56-9,907,195.05-3,915,856.31

Finding the Fourth Proportional to 7,179,042.56, 9,907,195.05 and 3,915,856.31

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Solution

The fourth proportional to 7,179,042.56, 9,907,195.05 and 3,915,856.31 is: 5,403,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,042.56 : 9,907,195.05 = 3,915,856.31 : x
  2. Step 2: Convert to fraction form
    7,179,042.56/9,907,195.05 = 3,915,856.31/x
  3. Step 3: Cross multiply
    7,179,042.56x = 9,907,195.05 × 3,915,856.31
  4. Step 4: Simplify right side
    7,179,042.56x = 38,795,152,201,407.30
  5. Step 5: Solve for x
    x = 38,795,152,201,407.30/7,179,042.56
  6. Step 6: Final answer
    x = 5,403,945.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.