Home / 22,245,849.20-33,343,890.60-12,665,817.20

Finding the Fourth Proportional to 22,245,849.20, 33,343,890.60 and 12,665,817.20

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Solution

The fourth proportional to 22,245,849.20, 33,343,890.60 and 12,665,817.20 is: 18,984,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245,849.20 : 33,343,890.60 = 12,665,817.20 : x
  2. Step 2: Convert to fraction form
    22,245,849.20/33,343,890.60 = 12,665,817.20/x
  3. Step 3: Cross multiply
    22,245,849.20x = 33,343,890.60 × 12,665,817.20
  4. Step 4: Simplify right side
    22,245,849.20x = 422,327,623,076,398.31
  5. Step 5: Solve for x
    x = 422,327,623,076,398.31/22,245,849.20
  6. Step 6: Final answer
    x = 18,984,558.39

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1.5x scale

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.