Home / 12,769,504.40-17,622,290.64-6,968,660.72

Finding the Fourth Proportional to 12,769,504.40, 17,622,290.64 and 6,968,660.72

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Solution

The fourth proportional to 12,769,504.40, 17,622,290.64 and 6,968,660.72 is: 9,616,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,504.40 : 17,622,290.64 = 6,968,660.72 : x
  2. Step 2: Convert to fraction form
    12,769,504.40/17,622,290.64 = 6,968,660.72/x
  3. Step 3: Cross multiply
    12,769,504.40x = 17,622,290.64 × 6,968,660.72
  4. Step 4: Simplify right side
    12,769,504.40x = 122,803,764,579,391.66
  5. Step 5: Solve for x
    x = 122,803,764,579,391.66/12,769,504.40
  6. Step 6: Final answer
    x = 9,616,956.21

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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.