Home / 40,824,004.80-61,236,007.20-18,149,188.80

Finding the Fourth Proportional to 40,824,004.80, 61,236,007.20 and 18,149,188.80

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Solution

The fourth proportional to 40,824,004.80, 61,236,007.20 and 18,149,188.80 is: 27,223,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,824,004.80 : 61,236,007.20 = 18,149,188.80 : x
  2. Step 2: Convert to fraction form
    40,824,004.80/61,236,007.20 = 18,149,188.80/x
  3. Step 3: Cross multiply
    40,824,004.80x = 61,236,007.20 × 18,149,188.80
  4. Step 4: Simplify right side
    40,824,004.80x = 1,111,383,856,030,959.50
  5. Step 5: Solve for x
    x = 1,111,383,856,030,959.50/40,824,004.80
  6. Step 6: Final answer
    x = 27,223,783.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.