Home / 12,073,369.20-18,110,928.60-7,270,717.20

Finding the Fourth Proportional to 12,073,369.20, 18,110,928.60 and 7,270,717.20

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Solution

The fourth proportional to 12,073,369.20, 18,110,928.60 and 7,270,717.20 is: 10,906,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,369.20 : 18,110,928.60 = 7,270,717.20 : x
  2. Step 2: Convert to fraction form
    12,073,369.20/18,110,928.60 = 7,270,717.20/x
  3. Step 3: Cross multiply
    12,073,369.20x = 18,110,928.60 × 7,270,717.20
  4. Step 4: Simplify right side
    12,073,369.20x = 131,679,440,079,991.94
  5. Step 5: Solve for x
    x = 131,679,440,079,991.94/12,073,369.20
  6. Step 6: Final answer
    x = 10,906,602.61

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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.