Home / 21,306,160.97-29,405,383.09-12,015,641.60

Finding the Fourth Proportional to 21,306,160.97, 29,405,383.09 and 12,015,641.60

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Solution

The fourth proportional to 21,306,160.97, 29,405,383.09 and 12,015,641.60 is: 16,583,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,160.97 : 29,405,383.09 = 12,015,641.60 : x
  2. Step 2: Convert to fraction form
    21,306,160.97/29,405,383.09 = 12,015,641.60/x
  3. Step 3: Cross multiply
    21,306,160.97x = 29,405,383.09 × 12,015,641.60
  4. Step 4: Simplify right side
    21,306,160.97x = 353,324,544,143,074.50
  5. Step 5: Solve for x
    x = 353,324,544,143,074.50/21,306,160.97
  6. Step 6: Final answer
    x = 16,583,210.12

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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.