Home / 21,952,083-30,293,874.54-12,294,291

Finding the Fourth Proportional to 21,952,083, 30,293,874.54 and 12,294,291

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Solution

The fourth proportional to 21,952,083, 30,293,874.54 and 12,294,291 is: 16,966,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952,083 : 30,293,874.54 = 12,294,291 : x
  2. Step 2: Convert to fraction form
    21,952,083/30,293,874.54 = 12,294,291/x
  3. Step 3: Cross multiply
    21,952,083x = 30,293,874.54 × 12,294,291
  4. Step 4: Simplify right side
    21,952,083x = 372,441,709,112,251.12
  5. Step 5: Solve for x
    x = 372,441,709,112,251.12/21,952,083
  6. Step 6: Final answer
    x = 16,966,121.58

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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.