Home / 21,530,684.52-29,713,061.93-11,741,662.80

Finding the Fourth Proportional to 21,530,684.52, 29,713,061.93 and 11,741,662.80

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Solution

The fourth proportional to 21,530,684.52, 29,713,061.93 and 11,741,662.80 is: 16,203,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,530,684.52 : 29,713,061.93 = 11,741,662.80 : x
  2. Step 2: Convert to fraction form
    21,530,684.52/29,713,061.93 = 11,741,662.80/x
  3. Step 3: Cross multiply
    21,530,684.52x = 29,713,061.93 × 11,741,662.80
  4. Step 4: Simplify right side
    21,530,684.52x = 348,880,753,878,868.94
  5. Step 5: Solve for x
    x = 348,880,753,878,868.94/21,530,684.52
  6. Step 6: Final answer
    x = 16,203,885.83

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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.