Home / 12,134,771.38-16,745,884.96-6,628,149.76

Finding the Fourth Proportional to 12,134,771.38, 16,745,884.96 and 6,628,149.76

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Solution

The fourth proportional to 12,134,771.38, 16,745,884.96 and 6,628,149.76 is: 9,146,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,771.38 : 16,745,884.96 = 6,628,149.76 : x
  2. Step 2: Convert to fraction form
    12,134,771.38/16,745,884.96 = 6,628,149.76/x
  3. Step 3: Cross multiply
    12,134,771.38x = 16,745,884.96 × 6,628,149.76
  4. Step 4: Simplify right side
    12,134,771.38x = 110,994,233,378,611.61
  5. Step 5: Solve for x
    x = 110,994,233,378,611.61/12,134,771.38
  6. Step 6: Final answer
    x = 9,146,792.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.