Home / 10,222,198.30-15,333,431.01-3,398,771.49

Finding the Fourth Proportional to 10,222,198.30, 15,333,431.01 and 3,398,771.49

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Solution

The fourth proportional to 10,222,198.30, 15,333,431.01 and 3,398,771.49 is: 5,098,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222,198.30 : 15,333,431.01 = 3,398,771.49 : x
  2. Step 2: Convert to fraction form
    10,222,198.30/15,333,431.01 = 3,398,771.49/x
  3. Step 3: Cross multiply
    10,222,198.30x = 15,333,431.01 × 3,398,771.49
  4. Step 4: Simplify right side
    10,222,198.30x = 52,114,828,160,669.91
  5. Step 5: Solve for x
    x = 52,114,828,160,669.91/10,222,198.30
  6. Step 6: Final answer
    x = 5,098,201.64

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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.