Home / 20,207,611.20-30,321,655.20-8,848,171.20

Finding the Fourth Proportional to 20,207,611.20, 30,321,655.20 and 8,848,171.20

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Solution

The fourth proportional to 20,207,611.20, 30,321,655.20 and 8,848,171.20 is: 13,276,739.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207,611.20 : 30,321,655.20 = 8,848,171.20 : x
  2. Step 2: Convert to fraction form
    20,207,611.20/30,321,655.20 = 8,848,171.20/x
  3. Step 3: Cross multiply
    20,207,611.20x = 30,321,655.20 × 8,848,171.20
  4. Step 4: Simplify right side
    20,207,611.20x = 268,291,196,276,970.22
  5. Step 5: Solve for x
    x = 268,291,196,276,970.22/20,207,611.20
  6. Step 6: Final answer
    x = 13,276,739.82

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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.