Home / 31,008,919.84-46,509,830.60-8,291,588.56

Finding the Fourth Proportional to 31,008,919.84, 46,509,830.60 and 8,291,588.56

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Solution

The fourth proportional to 31,008,919.84, 46,509,830.60 and 8,291,588.56 is: 12,436,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,919.84 : 46,509,830.60 = 8,291,588.56 : x
  2. Step 2: Convert to fraction form
    31,008,919.84/46,509,830.60 = 8,291,588.56/x
  3. Step 3: Cross multiply
    31,008,919.84x = 46,509,830.60 × 8,291,588.56
  4. Step 4: Simplify right side
    31,008,919.84x = 385,640,379,172,765.44
  5. Step 5: Solve for x
    x = 385,640,379,172,765.44/31,008,919.84
  6. Step 6: Final answer
    x = 12,436,433.81

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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.