Home / 7,023,190.70-9,692,789.73-3,967,601.78

Finding the Fourth Proportional to 7,023,190.70, 9,692,789.73 and 3,967,601.78

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Solution

The fourth proportional to 7,023,190.70, 9,692,789.73 and 3,967,601.78 is: 5,475,734.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023,190.70 : 9,692,789.73 = 3,967,601.78 : x
  2. Step 2: Convert to fraction form
    7,023,190.70/9,692,789.73 = 3,967,601.78/x
  3. Step 3: Cross multiply
    7,023,190.70x = 9,692,789.73 × 3,967,601.78
  4. Step 4: Simplify right side
    7,023,190.70x = 38,457,129,785,913.72
  5. Step 5: Solve for x
    x = 38,457,129,785,913.72/7,023,190.70
  6. Step 6: Final answer
    x = 5,475,734.81

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Why These Related Problems?

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