Home / 20,554,287.33-28,362,628.05-11,384,633.73

Finding the Fourth Proportional to 20,554,287.33, 28,362,628.05 and 11,384,633.73

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Solution

The fourth proportional to 20,554,287.33, 28,362,628.05 and 11,384,633.73 is: 15,709,527.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554,287.33 : 28,362,628.05 = 11,384,633.73 : x
  2. Step 2: Convert to fraction form
    20,554,287.33/28,362,628.05 = 11,384,633.73/x
  3. Step 3: Cross multiply
    20,554,287.33x = 28,362,628.05 × 11,384,633.73
  4. Step 4: Simplify right side
    20,554,287.33x = 322,898,131,969,474.12
  5. Step 5: Solve for x
    x = 322,898,131,969,474.12/20,554,287.33
  6. Step 6: Final answer
    x = 15,709,527.01

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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.