Home / 12,497,495.34-18,741,396.43-4,298,578.54

Finding the Fourth Proportional to 12,497,495.34, 18,741,396.43 and 4,298,578.54

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Solution

The fourth proportional to 12,497,495.34, 18,741,396.43 and 4,298,578.54 is: 6,446,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497,495.34 : 18,741,396.43 = 4,298,578.54 : x
  2. Step 2: Convert to fraction form
    12,497,495.34/18,741,396.43 = 4,298,578.54/x
  3. Step 3: Cross multiply
    12,497,495.34x = 18,741,396.43 × 4,298,578.54
  4. Step 4: Simplify right side
    12,497,495.34x = 80,561,364,503,630.61
  5. Step 5: Solve for x
    x = 80,561,364,503,630.61/12,497,495.34
  6. Step 6: Final answer
    x = 6,446,200.80

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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.