Finding the Fourth Proportional to 11,235,912.92, 15,505,559.58 and 6,079,274.48
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Solution
The fourth proportional to 11,235,912.92, 15,505,559.58 and 6,079,274.48 is: 8,389,398.65
Step by Step Solution
- Step 1: Write the proportion equation
11,235,912.92 : 15,505,559.58 = 6,079,274.48 : x - Step 2: Convert to fraction form
11,235,912.92/15,505,559.58 = 6,079,274.48/x - Step 3: Cross multiply
11,235,912.92x = 15,505,559.58 × 6,079,274.48 - Step 4: Simplify right side
11,235,912.92x = 94,262,552,652,813.53 - Step 5: Solve for x
x = 94,262,552,652,813.53/11,235,912.92 - Step 6: Final answer
x = 8,389,398.65
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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.