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Finding the Fourth Proportional to 13,777,978.87, 20,671,617.69 and 6,100,575.58

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Solution

The fourth proportional to 13,777,978.87, 20,671,617.69 and 6,100,575.58 is: 9,152,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777,978.87 : 20,671,617.69 = 6,100,575.58 : x
  2. Step 2: Convert to fraction form
    13,777,978.87/20,671,617.69 = 6,100,575.58/x
  3. Step 3: Cross multiply
    13,777,978.87x = 20,671,617.69 × 6,100,575.58
  4. Step 4: Simplify right side
    13,777,978.87x = 126,108,766,078,710.02
  5. Step 5: Solve for x
    x = 126,108,766,078,710.02/13,777,978.87
  6. Step 6: Final answer
    x = 9,152,922.01

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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.