Home / 12,769,415.69-17,622,165.89-6,968,571.08

Finding the Fourth Proportional to 12,769,415.69, 17,622,165.89 and 6,968,571.08

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Solution

The fourth proportional to 12,769,415.69, 17,622,165.89 and 6,968,571.08 is: 9,616,831.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,415.69 : 17,622,165.89 = 6,968,571.08 : x
  2. Step 2: Convert to fraction form
    12,769,415.69/17,622,165.89 = 6,968,571.08/x
  3. Step 3: Cross multiply
    12,769,415.69x = 17,622,165.89 × 6,968,571.08
  4. Step 4: Simplify right side
    12,769,415.69x = 122,801,315,517,327.05
  5. Step 5: Solve for x
    x = 122,801,315,517,327.05/12,769,415.69
  6. Step 6: Final answer
    x = 9,616,831.23

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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.