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Finding the Fourth Proportional to 9,894,815.10, 14,842,222.65 and 8,902,791.90

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Solution

The fourth proportional to 9,894,815.10, 14,842,222.65 and 8,902,791.90 is: 13,354,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894,815.10 : 14,842,222.65 = 8,902,791.90 : x
  2. Step 2: Convert to fraction form
    9,894,815.10/14,842,222.65 = 8,902,791.90/x
  3. Step 3: Cross multiply
    9,894,815.10x = 14,842,222.65 × 8,902,791.90
  4. Step 4: Simplify right side
    9,894,815.10x = 132,137,219,586,416.55
  5. Step 5: Solve for x
    x = 132,137,219,586,416.55/9,894,815.10
  6. Step 6: Final answer
    x = 13,354,187.85

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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.