Home / 7,702,518.62-10,629,606.21-4,217,801.42

Finding the Fourth Proportional to 7,702,518.62, 10,629,606.21 and 4,217,801.42

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Solution

The fourth proportional to 7,702,518.62, 10,629,606.21 and 4,217,801.42 is: 5,820,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702,518.62 : 10,629,606.21 = 4,217,801.42 : x
  2. Step 2: Convert to fraction form
    7,702,518.62/10,629,606.21 = 4,217,801.42/x
  3. Step 3: Cross multiply
    7,702,518.62x = 10,629,606.21 × 4,217,801.42
  4. Step 4: Simplify right side
    7,702,518.62x = 44,833,568,177,336.09
  5. Step 5: Solve for x
    x = 44,833,568,177,336.09/7,702,518.62
  6. Step 6: Final answer
    x = 5,820,637.43

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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.