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Finding the Fourth Proportional to 9,183,978.35, 13,777,960.43 and 2,794,064.63

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Solution

The fourth proportional to 9,183,978.35, 13,777,960.43 and 2,794,064.63 is: 4,191,703.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183,978.35 : 13,777,960.43 = 2,794,064.63 : x
  2. Step 2: Convert to fraction form
    9,183,978.35/13,777,960.43 = 2,794,064.63/x
  3. Step 3: Cross multiply
    9,183,978.35x = 13,777,960.43 × 2,794,064.63
  4. Step 4: Simplify right side
    9,183,978.35x = 38,496,511,833,381.34
  5. Step 5: Solve for x
    x = 38,496,511,833,381.34/9,183,978.35
  6. Step 6: Final answer
    x = 4,191,703.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.