Home / 12,269,428.30-18,404,142.45-8,850,491.20

Finding the Fourth Proportional to 12,269,428.30, 18,404,142.45 and 8,850,491.20

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Solution

The fourth proportional to 12,269,428.30, 18,404,142.45 and 8,850,491.20 is: 13,275,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,428.30 : 18,404,142.45 = 8,850,491.20 : x
  2. Step 2: Convert to fraction form
    12,269,428.30/18,404,142.45 = 8,850,491.20/x
  3. Step 3: Cross multiply
    12,269,428.30x = 18,404,142.45 × 8,850,491.20
  4. Step 4: Simplify right side
    12,269,428.30x = 162,885,700,797,271.41
  5. Step 5: Solve for x
    x = 162,885,700,797,271.41/12,269,428.30
  6. Step 6: Final answer
    x = 13,275,736.80

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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.