Home / 21,309,719.15-31,954,640.94-11,071,826.62

Finding the Fourth Proportional to 21,309,719.15, 31,954,640.94 and 11,071,826.62

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Solution

The fourth proportional to 21,309,719.15, 31,954,640.94 and 11,071,826.62 is: 16,602,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,309,719.15 : 31,954,640.94 = 11,071,826.62 : x
  2. Step 2: Convert to fraction form
    21,309,719.15/31,954,640.94 = 11,071,826.62/x
  3. Step 3: Cross multiply
    21,309,719.15x = 31,954,640.94 × 11,071,826.62
  4. Step 4: Simplify right side
    21,309,719.15x = 353,796,244,112,147.25
  5. Step 5: Solve for x
    x = 353,796,244,112,147.25/21,309,719.15
  6. Step 6: Final answer
    x = 16,602,576.58

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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.