Home / 18,941,161.28-26,145,910.82-12,415,211.30

Finding the Fourth Proportional to 18,941,161.28, 26,145,910.82 and 12,415,211.30

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Solution

The fourth proportional to 18,941,161.28, 26,145,910.82 and 12,415,211.30 is: 17,137,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941,161.28 : 26,145,910.82 = 12,415,211.30 : x
  2. Step 2: Convert to fraction form
    18,941,161.28/26,145,910.82 = 12,415,211.30/x
  3. Step 3: Cross multiply
    18,941,161.28x = 26,145,910.82 × 12,415,211.30
  4. Step 4: Simplify right side
    18,941,161.28x = 324,607,007,268,450.69
  5. Step 5: Solve for x
    x = 324,607,007,268,450.69/18,941,161.28
  6. Step 6: Final answer
    x = 17,137,650.77

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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.