Home / 5,377,940.80-8,066,911.20-4,930,043.20

Finding the Fourth Proportional to 5,377,940.80, 8,066,911.20 and 4,930,043.20

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Solution

The fourth proportional to 5,377,940.80, 8,066,911.20 and 4,930,043.20 is: 7,395,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,940.80 : 8,066,911.20 = 4,930,043.20 : x
  2. Step 2: Convert to fraction form
    5,377,940.80/8,066,911.20 = 4,930,043.20/x
  3. Step 3: Cross multiply
    5,377,940.80x = 8,066,911.20 × 4,930,043.20
  4. Step 4: Simplify right side
    5,377,940.80x = 39,770,220,706,563.84
  5. Step 5: Solve for x
    x = 39,770,220,706,563.84/5,377,940.80
  6. Step 6: Final answer
    x = 7,395,064.80

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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.