Home / 21,952,086.75-30,293,879.72-12,294,294.75

Finding the Fourth Proportional to 21,952,086.75, 30,293,879.72 and 12,294,294.75

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Solution

The fourth proportional to 21,952,086.75, 30,293,879.72 and 12,294,294.75 is: 16,966,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952,086.75 : 30,293,879.72 = 12,294,294.75 : x
  2. Step 2: Convert to fraction form
    21,952,086.75/30,293,879.72 = 12,294,294.75/x
  3. Step 3: Cross multiply
    21,952,086.75x = 30,293,879.72 × 12,294,294.75
  4. Step 4: Simplify right side
    21,952,086.75x = 372,441,886,337,256
  5. Step 5: Solve for x
    x = 372,441,886,337,256/21,952,086.75
  6. Step 6: Final answer
    x = 16,966,126.76

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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.