Home / 7,747,390.80-11,621,086.20-2,355,998.40

Finding the Fourth Proportional to 7,747,390.80, 11,621,086.20 and 2,355,998.40

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Solution

The fourth proportional to 7,747,390.80, 11,621,086.20 and 2,355,998.40 is: 3,533,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747,390.80 : 11,621,086.20 = 2,355,998.40 : x
  2. Step 2: Convert to fraction form
    7,747,390.80/11,621,086.20 = 2,355,998.40/x
  3. Step 3: Cross multiply
    7,747,390.80x = 11,621,086.20 × 2,355,998.40
  4. Step 4: Simplify right side
    7,747,390.80x = 27,379,260,493,462.08
  5. Step 5: Solve for x
    x = 27,379,260,493,462.08/7,747,390.80
  6. Step 6: Final answer
    x = 3,533,997.60

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Double scale
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Similar ratio
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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.