Home / 21,903,347.93-30,235,927.52-13,647,489.21

Finding the Fourth Proportional to 21,903,347.93, 30,235,927.52 and 13,647,489.21

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Solution

The fourth proportional to 21,903,347.93, 30,235,927.52 and 13,647,489.21 is: 18,839,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903,347.93 : 30,235,927.52 = 13,647,489.21 : x
  2. Step 2: Convert to fraction form
    21,903,347.93/30,235,927.52 = 13,647,489.21/x
  3. Step 3: Cross multiply
    21,903,347.93x = 30,235,927.52 × 13,647,489.21
  4. Step 4: Simplify right side
    21,903,347.93x = 412,644,494,515,304.62
  5. Step 5: Solve for x
    x = 412,644,494,515,304.62/21,903,347.93
  6. Step 6: Final answer
    x = 18,839,334.33

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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.