Home / 20,179,464.20-30,348,912.45-18,106,844.30

Finding the Fourth Proportional to 20,179,464.20, 30,348,912.45 and 18,106,844.30

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Solution

The fourth proportional to 20,179,464.20, 30,348,912.45 and 18,106,844.30 is: 27,231,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179,464.20 : 30,348,912.45 = 18,106,844.30 : x
  2. Step 2: Convert to fraction form
    20,179,464.20/30,348,912.45 = 18,106,844.30/x
  3. Step 3: Cross multiply
    20,179,464.20x = 30,348,912.45 × 18,106,844.30
  4. Step 4: Simplify right side
    20,179,464.20x = 549,523,032,406,481.56
  5. Step 5: Solve for x
    x = 549,523,032,406,481.56/20,179,464.20
  6. Step 6: Final answer
    x = 27,231,795.01

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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.