Home / 21,085,857.02-29,098,550.97-11,793,586.50

Finding the Fourth Proportional to 21,085,857.02, 29,098,550.97 and 11,793,586.50

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Solution

The fourth proportional to 21,085,857.02, 29,098,550.97 and 11,793,586.50 is: 16,275,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085,857.02 : 29,098,550.97 = 11,793,586.50 : x
  2. Step 2: Convert to fraction form
    21,085,857.02/29,098,550.97 = 11,793,586.50/x
  3. Step 3: Cross multiply
    21,085,857.02x = 29,098,550.97 × 11,793,586.50
  4. Step 4: Simplify right side
    21,085,857.02x = 343,176,277,889,353.88
  5. Step 5: Solve for x
    x = 343,176,277,889,353.88/21,085,857.02
  6. Step 6: Final answer
    x = 16,275,187.56

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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.