Home / 12,768,597.54-17,620,616.40-6,967,328.46

Finding the Fourth Proportional to 12,768,597.54, 17,620,616.40 and 6,967,328.46

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Solution

The fourth proportional to 12,768,597.54, 17,620,616.40 and 6,967,328.46 is: 9,614,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,597.54 : 17,620,616.40 = 6,967,328.46 : x
  2. Step 2: Convert to fraction form
    12,768,597.54/17,620,616.40 = 6,967,328.46/x
  3. Step 3: Cross multiply
    12,768,597.54x = 17,620,616.40 × 6,967,328.46
  4. Step 4: Simplify right side
    12,768,597.54x = 122,768,622,126,462.73
  5. Step 5: Solve for x
    x = 122,768,622,126,462.73/12,768,597.54
  6. Step 6: Final answer
    x = 9,614,886.97

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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.