Home / 12,749,759.45-19,130,273.43-6,683,040.60

Finding the Fourth Proportional to 12,749,759.45, 19,130,273.43 and 6,683,040.60

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Solution

The fourth proportional to 12,749,759.45, 19,130,273.43 and 6,683,040.60 is: 10,027,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749,759.45 : 19,130,273.43 = 6,683,040.60 : x
  2. Step 2: Convert to fraction form
    12,749,759.45/19,130,273.43 = 6,683,040.60/x
  3. Step 3: Cross multiply
    12,749,759.45x = 19,130,273.43 × 6,683,040.60
  4. Step 4: Simplify right side
    12,749,759.45x = 127,848,394,021,791.25
  5. Step 5: Solve for x
    x = 127,848,394,021,791.25/12,749,759.45
  6. Step 6: Final answer
    x = 10,027,514.21

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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.