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Finding the Fourth Proportional to 16,178,978.17, 24,179,816.46 and 11,811,315.11

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Solution

The fourth proportional to 16,178,978.17, 24,179,816.46 and 11,811,315.11 is: 17,652,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,178,978.17 : 24,179,816.46 = 11,811,315.11 : x
  2. Step 2: Convert to fraction form
    16,178,978.17/24,179,816.46 = 11,811,315.11/x
  3. Step 3: Cross multiply
    16,178,978.17x = 24,179,816.46 × 11,811,315.11
  4. Step 4: Simplify right side
    16,178,978.17x = 285,595,431,511,024.69
  5. Step 5: Solve for x
    x = 285,595,431,511,024.69/16,178,978.17
  6. Step 6: Final answer
    x = 17,652,253.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.