Home / 6,321,142.28-8,723,199.46-3,420,533.16

Finding the Fourth Proportional to 6,321,142.28, 8,723,199.46 and 3,420,533.16

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Solution

The fourth proportional to 6,321,142.28, 8,723,199.46 and 3,420,533.16 is: 4,720,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,142.28 : 8,723,199.46 = 3,420,533.16 : x
  2. Step 2: Convert to fraction form
    6,321,142.28/8,723,199.46 = 3,420,533.16/x
  3. Step 3: Cross multiply
    6,321,142.28x = 8,723,199.46 × 3,420,533.16
  4. Step 4: Simplify right side
    6,321,142.28x = 29,837,993,014,224.10
  5. Step 5: Solve for x
    x = 29,837,993,014,224.10/6,321,142.28
  6. Step 6: Final answer
    x = 4,720,348.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.