Home / 12,749,759.68-19,130,273.78-6,683,040.82

Finding the Fourth Proportional to 12,749,759.68, 19,130,273.78 and 6,683,040.82

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Solution

The fourth proportional to 12,749,759.68, 19,130,273.78 and 6,683,040.82 is: 10,027,514.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749,759.68 : 19,130,273.78 = 6,683,040.82 : x
  2. Step 2: Convert to fraction form
    12,749,759.68/19,130,273.78 = 6,683,040.82/x
  3. Step 3: Cross multiply
    12,749,759.68x = 19,130,273.78 × 6,683,040.82
  4. Step 4: Simplify right side
    12,749,759.68x = 127,848,400,569,515.72
  5. Step 5: Solve for x
    x = 127,848,400,569,515.72/12,749,759.68
  6. Step 6: Final answer
    x = 10,027,514.54

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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.