Finding the Fourth Proportional to 7,907,198.08, 10,911,958.94 and 4,422,596.63
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Solution
The fourth proportional to 7,907,198.08, 10,911,958.94 and 4,422,596.63 is: 6,103,197.66
Step by Step Solution
- Step 1: Write the proportion equation
7,907,198.08 : 10,911,958.94 = 4,422,596.63 : x - Step 2: Convert to fraction form
7,907,198.08/10,911,958.94 = 4,422,596.63/x - Step 3: Cross multiply
7,907,198.08x = 10,911,958.94 × 4,422,596.63 - Step 4: Simplify right side
7,907,198.08x = 48,259,192,791,239.07 - Step 5: Solve for x
x = 48,259,192,791,239.07/7,907,198.08 - Step 6: Final answer
x = 6,103,197.66
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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.