Home / 10,640,387.63-15,962,823.47-3,451,361.05

Finding the Fourth Proportional to 10,640,387.63, 15,962,823.47 and 3,451,361.05

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Solution

The fourth proportional to 10,640,387.63, 15,962,823.47 and 3,451,361.05 is: 5,177,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640,387.63 : 15,962,823.47 = 3,451,361.05 : x
  2. Step 2: Convert to fraction form
    10,640,387.63/15,962,823.47 = 3,451,361.05/x
  3. Step 3: Cross multiply
    10,640,387.63x = 15,962,823.47 × 3,451,361.05
  4. Step 4: Simplify right side
    10,640,387.63x = 55,093,467,172,383.84
  5. Step 5: Solve for x
    x = 55,093,467,172,383.84/10,640,387.63
  6. Step 6: Final answer
    x = 5,177,768.81

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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.