Home / 21,467,138.40-32,189,626.80-6,319,101.60

Finding the Fourth Proportional to 21,467,138.40, 32,189,626.80 and 6,319,101.60

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Solution

The fourth proportional to 21,467,138.40, 32,189,626.80 and 6,319,101.60 is: 9,475,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467,138.40 : 32,189,626.80 = 6,319,101.60 : x
  2. Step 2: Convert to fraction form
    21,467,138.40/32,189,626.80 = 6,319,101.60/x
  3. Step 3: Cross multiply
    21,467,138.40x = 32,189,626.80 × 6,319,101.60
  4. Step 4: Simplify right side
    21,467,138.40x = 203,409,522,215,282.88
  5. Step 5: Solve for x
    x = 203,409,522,215,282.88/21,467,138.40
  6. Step 6: Final answer
    x = 9,475,390.64

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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.