Home / 15,631,193.82-21,522,896.13-13,885,836.60

Finding the Fourth Proportional to 15,631,193.82, 21,522,896.13 and 13,885,836.60

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Solution

The fourth proportional to 15,631,193.82, 21,522,896.13 and 13,885,836.60 is: 19,119,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631,193.82 : 21,522,896.13 = 13,885,836.60 : x
  2. Step 2: Convert to fraction form
    15,631,193.82/21,522,896.13 = 13,885,836.60/x
  3. Step 3: Cross multiply
    15,631,193.82x = 21,522,896.13 × 13,885,836.60
  4. Step 4: Simplify right side
    15,631,193.82x = 298,863,418,952,735.06
  5. Step 5: Solve for x
    x = 298,863,418,952,735.06/15,631,193.82
  6. Step 6: Final answer
    x = 19,119,679.68

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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.