Home / 13,188,075.70-19,758,198.39-12,901,097.56

Finding the Fourth Proportional to 13,188,075.70, 19,758,198.39 and 12,901,097.56

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Solution

The fourth proportional to 13,188,075.70, 19,758,198.39 and 12,901,097.56 is: 19,328,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,075.70 : 19,758,198.39 = 12,901,097.56 : x
  2. Step 2: Convert to fraction form
    13,188,075.70/19,758,198.39 = 12,901,097.56/x
  3. Step 3: Cross multiply
    13,188,075.70x = 19,758,198.39 × 12,901,097.56
  4. Step 4: Simplify right side
    13,188,075.70x = 254,902,445,039,224.94
  5. Step 5: Solve for x
    x = 254,902,445,039,224.94/13,188,075.70
  6. Step 6: Final answer
    x = 19,328,251.58

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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.