Home / 7,405,512.60-11,106,091.62-3,145,647

Finding the Fourth Proportional to 7,405,512.60, 11,106,091.62 and 3,145,647

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Solution

The fourth proportional to 7,405,512.60, 11,106,091.62 and 3,145,647 is: 4,717,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,512.60 : 11,106,091.62 = 3,145,647 : x
  2. Step 2: Convert to fraction form
    7,405,512.60/11,106,091.62 = 3,145,647/x
  3. Step 3: Cross multiply
    7,405,512.60x = 11,106,091.62 × 3,145,647
  4. Step 4: Simplify right side
    7,405,512.60x = 34,935,843,786,178.14
  5. Step 5: Solve for x
    x = 34,935,843,786,178.14/7,405,512.60
  6. Step 6: Final answer
    x = 4,717,545.65

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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.