Home / 9,135,078.96-12,605,490.36-5,059,936.56

Finding the Fourth Proportional to 9,135,078.96, 12,605,490.36 and 5,059,936.56

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Solution

The fourth proportional to 9,135,078.96, 12,605,490.36 and 5,059,936.56 is: 6,982,203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135,078.96 : 12,605,490.36 = 5,059,936.56 : x
  2. Step 2: Convert to fraction form
    9,135,078.96/12,605,490.36 = 5,059,936.56/x
  3. Step 3: Cross multiply
    9,135,078.96x = 12,605,490.36 × 5,059,936.56
  4. Step 4: Simplify right side
    9,135,078.96x = 63,782,981,529,291.55
  5. Step 5: Solve for x
    x = 63,782,981,529,291.55/9,135,078.96
  6. Step 6: Final answer
    x = 6,982,203.64

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1.5x scale

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.