Home / 12,747,290.50-19,120,911.85-3,994,239.21

Finding the Fourth Proportional to 12,747,290.50, 19,120,911.85 and 3,994,239.21

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Solution

The fourth proportional to 12,747,290.50, 19,120,911.85 and 3,994,239.21 is: 5,991,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,290.50 : 19,120,911.85 = 3,994,239.21 : x
  2. Step 2: Convert to fraction form
    12,747,290.50/19,120,911.85 = 3,994,239.21/x
  3. Step 3: Cross multiply
    12,747,290.50x = 19,120,911.85 × 3,994,239.21
  4. Step 4: Simplify right side
    12,747,290.50x = 76,373,495,842,223.64
  5. Step 5: Solve for x
    x = 76,373,495,842,223.64/12,747,290.50
  6. Step 6: Final answer
    x = 5,991,351.33

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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.