Home / 18,071,439.44-27,099,201.72-8,489,541.20

Finding the Fourth Proportional to 18,071,439.44, 27,099,201.72 and 8,489,541.20

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Solution

The fourth proportional to 18,071,439.44, 27,099,201.72 and 8,489,541.20 is: 12,730,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071,439.44 : 27,099,201.72 = 8,489,541.20 : x
  2. Step 2: Convert to fraction form
    18,071,439.44/27,099,201.72 = 8,489,541.20/x
  3. Step 3: Cross multiply
    18,071,439.44x = 27,099,201.72 × 8,489,541.20
  4. Step 4: Simplify right side
    18,071,439.44x = 230,059,789,489,050.84
  5. Step 5: Solve for x
    x = 230,059,789,489,050.84/18,071,439.44
  6. Step 6: Final answer
    x = 12,730,573.58

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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.