Home / 12,747,289.50-19,120,910.36-3,994,238.21

Finding the Fourth Proportional to 12,747,289.50, 19,120,910.36 and 3,994,238.21

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Solution

The fourth proportional to 12,747,289.50, 19,120,910.36 and 3,994,238.21 is: 5,991,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,289.50 : 19,120,910.36 = 3,994,238.21 : x
  2. Step 2: Convert to fraction form
    12,747,289.50/19,120,910.36 = 3,994,238.21/x
  3. Step 3: Cross multiply
    12,747,289.50x = 19,120,910.36 × 3,994,238.21
  4. Step 4: Simplify right side
    12,747,289.50x = 76,373,470,749,925.67
  5. Step 5: Solve for x
    x = 76,373,470,749,925.67/12,747,289.50
  6. Step 6: Final answer
    x = 5,991,349.83

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1.5x scale

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.