Home / 20,151,004.80-30,230,443.80-8,018,403.60

Finding the Fourth Proportional to 20,151,004.80, 30,230,443.80 and 8,018,403.60

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Solution

The fourth proportional to 20,151,004.80, 30,230,443.80 and 8,018,403.60 is: 12,029,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,004.80 : 30,230,443.80 = 8,018,403.60 : x
  2. Step 2: Convert to fraction form
    20,151,004.80/30,230,443.80 = 8,018,403.60/x
  3. Step 3: Cross multiply
    20,151,004.80x = 30,230,443.80 × 8,018,403.60
  4. Step 4: Simplify right side
    20,151,004.80x = 242,399,899,395,517.69
  5. Step 5: Solve for x
    x = 242,399,899,395,517.69/20,151,004.80
  6. Step 6: Final answer
    x = 12,029,171.84

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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.