Home / 40,422,918.42-55,783,772.62-22,088,203.92

Finding the Fourth Proportional to 40,422,918.42, 55,783,772.62 and 22,088,203.92

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Solution

The fourth proportional to 40,422,918.42, 55,783,772.62 and 22,088,203.92 is: 30,481,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422,918.42 : 55,783,772.62 = 22,088,203.92 : x
  2. Step 2: Convert to fraction form
    40,422,918.42/55,783,772.62 = 22,088,203.92/x
  3. Step 3: Cross multiply
    40,422,918.42x = 55,783,772.62 × 22,088,203.92
  4. Step 4: Simplify right side
    40,422,918.42x = 1,232,163,345,057,472.75
  5. Step 5: Solve for x
    x = 1,232,163,345,057,472.75/40,422,918.42
  6. Step 6: Final answer
    x = 30,481,800.75

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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.