Home / 12,749,759.31-19,130,273.22-6,683,040.44

Finding the Fourth Proportional to 12,749,759.31, 19,130,273.22 and 6,683,040.44

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Solution

The fourth proportional to 12,749,759.31, 19,130,273.22 and 6,683,040.44 is: 10,027,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749,759.31 : 19,130,273.22 = 6,683,040.44 : x
  2. Step 2: Convert to fraction form
    12,749,759.31/19,130,273.22 = 6,683,040.44/x
  3. Step 3: Cross multiply
    12,749,759.31x = 19,130,273.22 × 6,683,040.44
  4. Step 4: Simplify right side
    12,749,759.31x = 127,848,389,557,509.02
  5. Step 5: Solve for x
    x = 127,848,389,557,509.02/12,749,759.31
  6. Step 6: Final answer
    x = 10,027,513.97

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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.