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Finding the Fourth Proportional to 16,167,815.20, 24,251,722.80 and 9,790,523.20

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Solution

The fourth proportional to 16,167,815.20, 24,251,722.80 and 9,790,523.20 is: 14,685,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,167,815.20 : 24,251,722.80 = 9,790,523.20 : x
  2. Step 2: Convert to fraction form
    16,167,815.20/24,251,722.80 = 9,790,523.20/x
  3. Step 3: Cross multiply
    16,167,815.20x = 24,251,722.80 × 9,790,523.20
  4. Step 4: Simplify right side
    16,167,815.20x = 237,437,054,713,368.94
  5. Step 5: Solve for x
    x = 237,437,054,713,368.94/16,167,815.20
  6. Step 6: Final answer
    x = 14,685,784.80

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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.