Home / 12,769,178.40-17,621,840.04-6,968,334.03

Finding the Fourth Proportional to 12,769,178.40, 17,621,840.04 and 6,968,334.03

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Solution

The fourth proportional to 12,769,178.40, 17,621,840.04 and 6,968,334.03 is: 9,616,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,178.40 : 17,621,840.04 = 6,968,334.03 : x
  2. Step 2: Convert to fraction form
    12,769,178.40/17,621,840.04 = 6,968,334.03/x
  3. Step 3: Cross multiply
    12,769,178.40x = 17,621,840.04 × 6,968,334.03
  4. Step 4: Simplify right side
    12,769,178.40x = 122,794,867,621,948.56
  5. Step 5: Solve for x
    x = 122,794,867,621,948.56/12,769,178.40
  6. Step 6: Final answer
    x = 9,616,504.98

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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.