Home / 13,762,684.73-18,992,817.14-7,568,075.57

Finding the Fourth Proportional to 13,762,684.73, 18,992,817.14 and 7,568,075.57

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Solution

The fourth proportional to 13,762,684.73, 18,992,817.14 and 7,568,075.57 is: 10,444,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,684.73 : 18,992,817.14 = 7,568,075.57 : x
  2. Step 2: Convert to fraction form
    13,762,684.73/18,992,817.14 = 7,568,075.57/x
  3. Step 3: Cross multiply
    13,762,684.73x = 18,992,817.14 × 7,568,075.57
  4. Step 4: Simplify right side
    13,762,684.73x = 143,739,075,408,576.56
  5. Step 5: Solve for x
    x = 143,739,075,408,576.56/13,762,684.73
  6. Step 6: Final answer
    x = 10,444,115.98

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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.