Home / 22,245,848.20-33,343,889.10-12,665,816.20

Finding the Fourth Proportional to 22,245,848.20, 33,343,889.10 and 12,665,816.20

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Solution

The fourth proportional to 22,245,848.20, 33,343,889.10 and 12,665,816.20 is: 18,984,556.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245,848.20 : 33,343,889.10 = 12,665,816.20 : x
  2. Step 2: Convert to fraction form
    22,245,848.20/33,343,889.10 = 12,665,816.20/x
  3. Step 3: Cross multiply
    22,245,848.20x = 33,343,889.10 × 12,665,816.20
  4. Step 4: Simplify right side
    22,245,848.20x = 422,327,570,733,783.44
  5. Step 5: Solve for x
    x = 422,327,570,733,783.44/22,245,848.20
  6. Step 6: Final answer
    x = 18,984,556.89

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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.