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Finding the Fourth Proportional to 9,771,813.80, 14,667,051.90 and 8,353,471.40

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Solution

The fourth proportional to 9,771,813.80, 14,667,051.90 and 8,353,471.40 is: 12,538,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771,813.80 : 14,667,051.90 = 8,353,471.40 : x
  2. Step 2: Convert to fraction form
    9,771,813.80/14,667,051.90 = 8,353,471.40/x
  3. Step 3: Cross multiply
    9,771,813.80x = 14,667,051.90 × 8,353,471.40
  4. Step 4: Simplify right side
    9,771,813.80x = 122,520,798,568,965.67
  5. Step 5: Solve for x
    x = 122,520,798,568,965.67/9,771,813.80
  6. Step 6: Final answer
    x = 12,538,183.91

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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.