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Finding the Fourth Proportional to 9,215,169.90, 13,849,326.90 and 8,045,999.70

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Solution

The fourth proportional to 9,215,169.90, 13,849,326.90 and 8,045,999.70 is: 12,092,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,169.90 : 13,849,326.90 = 8,045,999.70 : x
  2. Step 2: Convert to fraction form
    9,215,169.90/13,849,326.90 = 8,045,999.70/x
  3. Step 3: Cross multiply
    9,215,169.90x = 13,849,326.90 × 8,045,999.70
  4. Step 4: Simplify right side
    9,215,169.90x = 111,431,680,082,601.94
  5. Step 5: Solve for x
    x = 111,431,680,082,601.94/9,215,169.90
  6. Step 6: Final answer
    x = 12,092,200.28

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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.