Home / 12,530,256.30-18,795,384.45-7,491,408.30

Finding the Fourth Proportional to 12,530,256.30, 18,795,384.45 and 7,491,408.30

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Solution

The fourth proportional to 12,530,256.30, 18,795,384.45 and 7,491,408.30 is: 11,237,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,256.30 : 18,795,384.45 = 7,491,408.30 : x
  2. Step 2: Convert to fraction form
    12,530,256.30/18,795,384.45 = 7,491,408.30/x
  3. Step 3: Cross multiply
    12,530,256.30x = 18,795,384.45 × 7,491,408.30
  4. Step 4: Simplify right side
    12,530,256.30x = 140,803,899,070,420.94
  5. Step 5: Solve for x
    x = 140,803,899,070,420.94/12,530,256.30
  6. Step 6: Final answer
    x = 11,237,112.45

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Double scale
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Similar ratio
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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.