Home / 21,428,753.04-29,571,896.52-11,639,388.96

Finding the Fourth Proportional to 21,428,753.04, 29,571,896.52 and 11,639,388.96

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Solution

The fourth proportional to 21,428,753.04, 29,571,896.52 and 11,639,388.96 is: 16,062,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,428,753.04 : 29,571,896.52 = 11,639,388.96 : x
  2. Step 2: Convert to fraction form
    21,428,753.04/29,571,896.52 = 11,639,388.96/x
  3. Step 3: Cross multiply
    21,428,753.04x = 29,571,896.52 × 11,639,388.96
  4. Step 4: Simplify right side
    21,428,753.04x = 344,198,805,881,150.44
  5. Step 5: Solve for x
    x = 344,198,805,881,150.44/21,428,753.04
  6. Step 6: Final answer
    x = 16,062,474.81

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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.