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Finding the Fourth Proportional to 12,412,576.80, 18,576,874.80 and 10,900,922.40

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Solution

The fourth proportional to 12,412,576.80, 18,576,874.80 and 10,900,922.40 is: 16,314,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,576.80 : 18,576,874.80 = 10,900,922.40 : x
  2. Step 2: Convert to fraction form
    12,412,576.80/18,576,874.80 = 10,900,922.40/x
  3. Step 3: Cross multiply
    12,412,576.80x = 18,576,874.80 × 10,900,922.40
  4. Step 4: Simplify right side
    12,412,576.80x = 202,505,070,629,315.53
  5. Step 5: Solve for x
    x = 202,505,070,629,315.53/12,412,576.80
  6. Step 6: Final answer
    x = 16,314,506.96

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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.