Home / 8,625,440.08-11,906,933.44-5,571,143.92

Finding the Fourth Proportional to 8,625,440.08, 11,906,933.44 and 5,571,143.92

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Solution

The fourth proportional to 8,625,440.08, 11,906,933.44 and 5,571,143.92 is: 7,690,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625,440.08 : 11,906,933.44 = 5,571,143.92 : x
  2. Step 2: Convert to fraction form
    8,625,440.08/11,906,933.44 = 5,571,143.92/x
  3. Step 3: Cross multiply
    8,625,440.08x = 11,906,933.44 × 5,571,143.92
  4. Step 4: Simplify right side
    8,625,440.08x = 66,335,239,840,100.68
  5. Step 5: Solve for x
    x = 66,335,239,840,100.68/8,625,440.08
  6. Step 6: Final answer
    x = 7,690,649.89

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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.