Home / 7,163,979.40-10,745,969.10-2,372,408.20

Finding the Fourth Proportional to 7,163,979.40, 10,745,969.10 and 2,372,408.20

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Solution

The fourth proportional to 7,163,979.40, 10,745,969.10 and 2,372,408.20 is: 3,558,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163,979.40 : 10,745,969.10 = 2,372,408.20 : x
  2. Step 2: Convert to fraction form
    7,163,979.40/10,745,969.10 = 2,372,408.20/x
  3. Step 3: Cross multiply
    7,163,979.40x = 10,745,969.10 × 2,372,408.20
  4. Step 4: Simplify right side
    7,163,979.40x = 25,493,825,209,786.62
  5. Step 5: Solve for x
    x = 25,493,825,209,786.62/7,163,979.40
  6. Step 6: Final answer
    x = 3,558,612.30

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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.