Home / 33,438,143.70-46,125,040.86-21,028,553.46

Finding the Fourth Proportional to 33,438,143.70, 46,125,040.86 and 21,028,553.46

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Solution

The fourth proportional to 33,438,143.70, 46,125,040.86 and 21,028,553.46 is: 29,007,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,438,143.70 : 46,125,040.86 = 21,028,553.46 : x
  2. Step 2: Convert to fraction form
    33,438,143.70/46,125,040.86 = 21,028,553.46/x
  3. Step 3: Cross multiply
    33,438,143.70x = 46,125,040.86 × 21,028,553.46
  4. Step 4: Simplify right side
    33,438,143.70x = 969,942,887,569,194.38
  5. Step 5: Solve for x
    x = 969,942,887,569,194.38/33,438,143.70
  6. Step 6: Final answer
    x = 29,007,079.35

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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.