Home / 13,781,749.41-20,671,046.73-3,685,157.73

Finding the Fourth Proportional to 13,781,749.41, 20,671,046.73 and 3,685,157.73

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Solution

The fourth proportional to 13,781,749.41, 20,671,046.73 and 3,685,157.73 is: 5,527,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,749.41 : 20,671,046.73 = 3,685,157.73 : x
  2. Step 2: Convert to fraction form
    13,781,749.41/20,671,046.73 = 3,685,157.73/x
  3. Step 3: Cross multiply
    13,781,749.41x = 20,671,046.73 × 3,685,157.73
  4. Step 4: Simplify right side
    13,781,749.41x = 76,176,067,644,250.72
  5. Step 5: Solve for x
    x = 76,176,067,644,250.72/13,781,749.41
  6. Step 6: Final answer
    x = 5,527,314.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.