Home / 8,122,493.70-12,183,740.55-3,333,619.80

Finding the Fourth Proportional to 8,122,493.70, 12,183,740.55 and 3,333,619.80

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Solution

The fourth proportional to 8,122,493.70, 12,183,740.55 and 3,333,619.80 is: 5,000,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,493.70 : 12,183,740.55 = 3,333,619.80 : x
  2. Step 2: Convert to fraction form
    8,122,493.70/12,183,740.55 = 3,333,619.80/x
  3. Step 3: Cross multiply
    8,122,493.70x = 12,183,740.55 × 3,333,619.80
  4. Step 4: Simplify right side
    8,122,493.70x = 40,615,958,735,542.89
  5. Step 5: Solve for x
    x = 40,615,958,735,542.89/8,122,493.70
  6. Step 6: Final answer
    x = 5,000,429.70

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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.