Home / 12,292,918.22-18,439,421.07-3,773,255.42

Finding the Fourth Proportional to 12,292,918.22, 18,439,421.07 and 3,773,255.42

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Solution

The fourth proportional to 12,292,918.22, 18,439,421.07 and 3,773,255.42 is: 5,659,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,918.22 : 18,439,421.07 = 3,773,255.42 : x
  2. Step 2: Convert to fraction form
    12,292,918.22/18,439,421.07 = 3,773,255.42/x
  3. Step 3: Cross multiply
    12,292,918.22x = 18,439,421.07 × 3,773,255.42
  4. Step 4: Simplify right side
    12,292,918.22x = 69,576,645,494,039.70
  5. Step 5: Solve for x
    x = 69,576,645,494,039.70/12,292,918.22
  6. Step 6: Final answer
    x = 5,659,896.56

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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.