Home / 8,764,720.20-13,147,080.30-7,271,728.20

Finding the Fourth Proportional to 8,764,720.20, 13,147,080.30 and 7,271,728.20

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Solution

The fourth proportional to 8,764,720.20, 13,147,080.30 and 7,271,728.20 is: 10,907,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,720.20 : 13,147,080.30 = 7,271,728.20 : x
  2. Step 2: Convert to fraction form
    8,764,720.20/13,147,080.30 = 7,271,728.20/x
  3. Step 3: Cross multiply
    8,764,720.20x = 13,147,080.30 × 7,271,728.20
  4. Step 4: Simplify right side
    8,764,720.20x = 95,601,994,565,174.47
  5. Step 5: Solve for x
    x = 95,601,994,565,174.47/8,764,720.20
  6. Step 6: Final answer
    x = 10,907,592.30

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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.