Home / 21,750,843.20-32,604,837.60-12,170,811.20

Finding the Fourth Proportional to 21,750,843.20, 32,604,837.60 and 12,170,811.20

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Solution

The fourth proportional to 21,750,843.20, 32,604,837.60 and 12,170,811.20 is: 18,244,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750,843.20 : 32,604,837.60 = 12,170,811.20 : x
  2. Step 2: Convert to fraction form
    21,750,843.20/32,604,837.60 = 12,170,811.20/x
  3. Step 3: Cross multiply
    21,750,843.20x = 32,604,837.60 × 12,170,811.20
  4. Step 4: Simplify right side
    21,750,843.20x = 396,827,322,636,261.12
  5. Step 5: Solve for x
    x = 396,827,322,636,261.12/21,750,843.20
  6. Step 6: Final answer
    x = 18,244,227.09

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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.