Home / 21,470,311.82-29,629,159.17-11,680,826.24

Finding the Fourth Proportional to 21,470,311.82, 29,629,159.17 and 11,680,826.24

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Solution

The fourth proportional to 21,470,311.82, 29,629,159.17 and 11,680,826.24 is: 16,119,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,470,311.82 : 29,629,159.17 = 11,680,826.24 : x
  2. Step 2: Convert to fraction form
    21,470,311.82/29,629,159.17 = 11,680,826.24/x
  3. Step 3: Cross multiply
    21,470,311.82x = 29,629,159.17 × 11,680,826.24
  4. Step 4: Simplify right side
    21,470,311.82x = 346,093,059,902,072.62
  5. Step 5: Solve for x
    x = 346,093,059,902,072.62/21,470,311.82
  6. Step 6: Final answer
    x = 16,119,610.32

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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.