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Finding the Fourth Proportional to 14,037,872.19, 20,996,020.60 and 8,266,849.39

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Solution

The fourth proportional to 14,037,872.19, 20,996,020.60 and 8,266,849.39 is: 12,364,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037,872.19 : 20,996,020.60 = 8,266,849.39 : x
  2. Step 2: Convert to fraction form
    14,037,872.19/20,996,020.60 = 8,266,849.39/x
  3. Step 3: Cross multiply
    14,037,872.19x = 20,996,020.60 × 8,266,849.39
  4. Step 4: Simplify right side
    14,037,872.19x = 173,570,940,089,537.44
  5. Step 5: Solve for x
    x = 173,570,940,089,537.44/14,037,872.19
  6. Step 6: Final answer
    x = 12,364,476.45

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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.