Home / 12,726,868.25-17,571,865.00-11,913,763.52

Finding the Fourth Proportional to 12,726,868.25, 17,571,865.00 and 11,913,763.52

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Solution

The fourth proportional to 12,726,868.25, 17,571,865.00 and 11,913,763.52 is: 16,449,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,868.25 : 17,571,865.00 = 11,913,763.52 : x
  2. Step 2: Convert to fraction form
    12,726,868.25/17,571,865.00 = 11,913,763.52/x
  3. Step 3: Cross multiply
    12,726,868.25x = 17,571,865.00 × 11,913,763.52
  4. Step 4: Simplify right side
    12,726,868.25x = 209,347,044,067,936.69
  5. Step 5: Solve for x
    x = 209,347,044,067,936.69/12,726,868.25
  6. Step 6: Final answer
    x = 16,449,219.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.