Home / 21,282,504.87-31,923,757.73-5,108,456.14

Finding the Fourth Proportional to 21,282,504.87, 31,923,757.73 and 5,108,456.14

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Solution

The fourth proportional to 21,282,504.87, 31,923,757.73 and 5,108,456.14 is: 7,662,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,504.87 : 31,923,757.73 = 5,108,456.14 : x
  2. Step 2: Convert to fraction form
    21,282,504.87/31,923,757.73 = 5,108,456.14/x
  3. Step 3: Cross multiply
    21,282,504.87x = 31,923,757.73 × 5,108,456.14
  4. Step 4: Simplify right side
    21,282,504.87x = 163,081,116,187,690.97
  5. Step 5: Solve for x
    x = 163,081,116,187,690.97/21,282,504.87
  6. Step 6: Final answer
    x = 7,662,684.31

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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.