Home / 6,991,147.65-10,486,722.24-2,133,479.62

Finding the Fourth Proportional to 6,991,147.65, 10,486,722.24 and 2,133,479.62

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Solution

The fourth proportional to 6,991,147.65, 10,486,722.24 and 2,133,479.62 is: 3,200,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,147.65 : 10,486,722.24 = 2,133,479.62 : x
  2. Step 2: Convert to fraction form
    6,991,147.65/10,486,722.24 = 2,133,479.62/x
  3. Step 3: Cross multiply
    6,991,147.65x = 10,486,722.24 × 2,133,479.62
  4. Step 4: Simplify right side
    6,991,147.65x = 22,373,208,192,749.15
  5. Step 5: Solve for x
    x = 22,373,208,192,749.15/6,991,147.65
  6. Step 6: Final answer
    x = 3,200,219.66

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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.