Home / 21,978,783.59-30,332,537.10-12,192,383.03

Finding the Fourth Proportional to 21,978,783.59, 30,332,537.10 and 12,192,383.03

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Solution

The fourth proportional to 21,978,783.59, 30,332,537.10 and 12,192,383.03 is: 16,826,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,978,783.59 : 30,332,537.10 = 12,192,383.03 : x
  2. Step 2: Convert to fraction form
    21,978,783.59/30,332,537.10 = 12,192,383.03/x
  3. Step 3: Cross multiply
    21,978,783.59x = 30,332,537.10 × 12,192,383.03
  4. Step 4: Simplify right side
    21,978,783.59x = 369,825,910,443,222.75
  5. Step 5: Solve for x
    x = 369,825,910,443,222.75/21,978,783.59
  6. Step 6: Final answer
    x = 16,826,495.83

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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.