Home / 21,306,241.78-31,964,097.54-9,940,490.26

Finding the Fourth Proportional to 21,306,241.78, 31,964,097.54 and 9,940,490.26

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Solution

The fourth proportional to 21,306,241.78, 31,964,097.54 and 9,940,490.26 is: 14,912,944.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,241.78 : 31,964,097.54 = 9,940,490.26 : x
  2. Step 2: Convert to fraction form
    21,306,241.78/31,964,097.54 = 9,940,490.26/x
  3. Step 3: Cross multiply
    21,306,241.78x = 31,964,097.54 × 9,940,490.26
  4. Step 4: Simplify right side
    21,306,241.78x = 317,738,800,266,059.94
  5. Step 5: Solve for x
    x = 317,738,800,266,059.94/21,306,241.78
  6. Step 6: Final answer
    x = 14,912,944.46

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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.