Home / 11,123,136.80-16,684,705.20-9,863,424.80

Finding the Fourth Proportional to 11,123,136.80, 16,684,705.20 and 9,863,424.80

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Solution

The fourth proportional to 11,123,136.80, 16,684,705.20 and 9,863,424.80 is: 14,795,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123,136.80 : 16,684,705.20 = 9,863,424.80 : x
  2. Step 2: Convert to fraction form
    11,123,136.80/16,684,705.20 = 9,863,424.80/x
  3. Step 3: Cross multiply
    11,123,136.80x = 16,684,705.20 × 9,863,424.80
  4. Step 4: Simplify right side
    11,123,136.80x = 164,568,335,050,368.97
  5. Step 5: Solve for x
    x = 164,568,335,050,368.97/11,123,136.80
  6. Step 6: Final answer
    x = 14,795,137.20

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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.