Home / 11,149,389.20-16,724,083.80-8,315,037.20

Finding the Fourth Proportional to 11,149,389.20, 16,724,083.80 and 8,315,037.20

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Solution

The fourth proportional to 11,149,389.20, 16,724,083.80 and 8,315,037.20 is: 12,472,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149,389.20 : 16,724,083.80 = 8,315,037.20 : x
  2. Step 2: Convert to fraction form
    11,149,389.20/16,724,083.80 = 8,315,037.20/x
  3. Step 3: Cross multiply
    11,149,389.20x = 16,724,083.80 × 8,315,037.20
  4. Step 4: Simplify right side
    11,149,389.20x = 139,061,378,932,917.38
  5. Step 5: Solve for x
    x = 139,061,378,932,917.38/11,149,389.20
  6. Step 6: Final answer
    x = 12,472,555.80

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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.