Finding the Fourth Proportional to 11,351,415.44, 15,664,948.97 and 6,194,776.98
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Solution
The fourth proportional to 11,351,415.44, 15,664,948.97 and 6,194,776.98 is: 8,548,789.87
Step by Step Solution
- Step 1: Write the proportion equation
11,351,415.44 : 15,664,948.97 = 6,194,776.98 : x - Step 2: Convert to fraction form
11,351,415.44/15,664,948.97 = 6,194,776.98/x - Step 3: Cross multiply
11,351,415.44x = 15,664,948.97 × 6,194,776.98 - Step 4: Simplify right side
11,351,415.44x = 97,040,865,241,256.83 - Step 5: Solve for x
x = 97,040,865,241,256.83/11,351,415.44 - Step 6: Final answer
x = 8,548,789.87
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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.