Home / 7,420,874.40-11,131,311.60-5,739,184.80

Finding the Fourth Proportional to 7,420,874.40, 11,131,311.60 and 5,739,184.80

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Solution

The fourth proportional to 7,420,874.40, 11,131,311.60 and 5,739,184.80 is: 8,608,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,874.40 : 11,131,311.60 = 5,739,184.80 : x
  2. Step 2: Convert to fraction form
    7,420,874.40/11,131,311.60 = 5,739,184.80/x
  3. Step 3: Cross multiply
    7,420,874.40x = 11,131,311.60 × 5,739,184.80
  4. Step 4: Simplify right side
    7,420,874.40x = 63,884,654,338,783.68
  5. Step 5: Solve for x
    x = 63,884,654,338,783.68/7,420,874.40
  6. Step 6: Final answer
    x = 8,608,777.20

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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.