Home / 12,768,515.33-17,620,976.52-6,967,615.41

Finding the Fourth Proportional to 12,768,515.33, 17,620,976.52 and 6,967,615.41

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Solution

The fourth proportional to 12,768,515.33, 17,620,976.52 and 6,967,615.41 is: 9,615,541.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,515.33 : 17,620,976.52 = 6,967,615.41 : x
  2. Step 2: Convert to fraction form
    12,768,515.33/17,620,976.52 = 6,967,615.41/x
  3. Step 3: Cross multiply
    12,768,515.33x = 17,620,976.52 × 6,967,615.41
  4. Step 4: Simplify right side
    12,768,515.33x = 122,776,187,540,000.17
  5. Step 5: Solve for x
    x = 122,776,187,540,000.17/12,768,515.33
  6. Step 6: Final answer
    x = 9,615,541.39

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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.