Home / 11,277,786.60-15,563,692.80-6,630,728.58

Finding the Fourth Proportional to 11,277,786.60, 15,563,692.80 and 6,630,728.58

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Solution

The fourth proportional to 11,277,786.60, 15,563,692.80 and 6,630,728.58 is: 9,150,609.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277,786.60 : 15,563,692.80 = 6,630,728.58 : x
  2. Step 2: Convert to fraction form
    11,277,786.60/15,563,692.80 = 6,630,728.58/x
  3. Step 3: Cross multiply
    11,277,786.60x = 15,563,692.80 × 6,630,728.58
  4. Step 4: Simplify right side
    11,277,786.60x = 103,198,622,659,300.23
  5. Step 5: Solve for x
    x = 103,198,622,659,300.23/11,277,786.60
  6. Step 6: Final answer
    x = 9,150,609.63

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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.