Home / 13,474,048.60-20,213,697.30-3,889,739.80

Finding the Fourth Proportional to 13,474,048.60, 20,213,697.30 and 3,889,739.80

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Solution

The fourth proportional to 13,474,048.60, 20,213,697.30 and 3,889,739.80 is: 5,835,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474,048.60 : 20,213,697.30 = 3,889,739.80 : x
  2. Step 2: Convert to fraction form
    13,474,048.60/20,213,697.30 = 3,889,739.80/x
  3. Step 3: Cross multiply
    13,474,048.60x = 20,213,697.30 × 3,889,739.80
  4. Step 4: Simplify right side
    13,474,048.60x = 78,626,022,892,962.55
  5. Step 5: Solve for x
    x = 78,626,022,892,962.55/13,474,048.60
  6. Step 6: Final answer
    x = 5,835,367.32

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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.