Home / 14,569,223.72-20,105,691.36-8,042,856.44

Finding the Fourth Proportional to 14,569,223.72, 20,105,691.36 and 8,042,856.44

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Solution

The fourth proportional to 14,569,223.72, 20,105,691.36 and 8,042,856.44 is: 11,099,231.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569,223.72 : 20,105,691.36 = 8,042,856.44 : x
  2. Step 2: Convert to fraction form
    14,569,223.72/20,105,691.36 = 8,042,856.44/x
  3. Step 3: Cross multiply
    14,569,223.72x = 20,105,691.36 × 8,042,856.44
  4. Step 4: Simplify right side
    14,569,223.72x = 161,707,189,235,428.38
  5. Step 5: Solve for x
    x = 161,707,189,235,428.38/14,569,223.72
  6. Step 6: Final answer
    x = 11,099,231.66

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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.