Home / 13,904,106.45-20,856,159.68-11,804,586.45

Finding the Fourth Proportional to 13,904,106.45, 20,856,159.68 and 11,804,586.45

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Solution

The fourth proportional to 13,904,106.45, 20,856,159.68 and 11,804,586.45 is: 17,706,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904,106.45 : 20,856,159.68 = 11,804,586.45 : x
  2. Step 2: Convert to fraction form
    13,904,106.45/20,856,159.68 = 11,804,586.45/x
  3. Step 3: Cross multiply
    13,904,106.45x = 20,856,159.68 × 11,804,586.45
  4. Step 4: Simplify right side
    13,904,106.45x = 246,198,339,957,564.31
  5. Step 5: Solve for x
    x = 246,198,339,957,564.31/13,904,106.45
  6. Step 6: Final answer
    x = 17,706,879.68

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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.