Home / 8,297,409.61-11,424,369.25-7,054,575.78

Finding the Fourth Proportional to 8,297,409.61, 11,424,369.25 and 7,054,575.78

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Solution

The fourth proportional to 8,297,409.61, 11,424,369.25 and 7,054,575.78 is: 9,713,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297,409.61 : 11,424,369.25 = 7,054,575.78 : x
  2. Step 2: Convert to fraction form
    8,297,409.61/11,424,369.25 = 7,054,575.78/x
  3. Step 3: Cross multiply
    8,297,409.61x = 11,424,369.25 × 7,054,575.78
  4. Step 4: Simplify right side
    8,297,409.61x = 80,594,078,560,542.31
  5. Step 5: Solve for x
    x = 80,594,078,560,542.31/8,297,409.61
  6. Step 6: Final answer
    x = 9,713,161.38

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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.