Home / 20,203,620.40-27,880,543.20-11,036,299.60

Finding the Fourth Proportional to 20,203,620.40, 27,880,543.20 and 11,036,299.60

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Solution

The fourth proportional to 20,203,620.40, 27,880,543.20 and 11,036,299.60 is: 15,229,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203,620.40 : 27,880,543.20 = 11,036,299.60 : x
  2. Step 2: Convert to fraction form
    20,203,620.40/27,880,543.20 = 11,036,299.60/x
  3. Step 3: Cross multiply
    20,203,620.40x = 27,880,543.20 × 11,036,299.60
  4. Step 4: Simplify right side
    20,203,620.40x = 307,698,027,765,942.69
  5. Step 5: Solve for x
    x = 307,698,027,765,942.69/20,203,620.40
  6. Step 6: Final answer
    x = 15,229,846.02

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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.