Finding the Fourth Proportional to 11,274,415.81, 15,558,704.15 and 6,117,777.36
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Solution
The fourth proportional to 11,274,415.81, 15,558,704.15 and 6,117,777.36 is: 8,442,538.36
Step by Step Solution
- Step 1: Write the proportion equation
11,274,415.81 : 15,558,704.15 = 6,117,777.36 : x - Step 2: Convert to fraction form
11,274,415.81/15,558,704.15 = 6,117,777.36/x - Step 3: Cross multiply
11,274,415.81x = 15,558,704.15 × 6,117,777.36 - Step 4: Simplify right side
11,274,415.81x = 95,184,687,999,808.05 - Step 5: Solve for x
x = 95,184,687,999,808.05/11,274,415.81 - Step 6: Final answer
x = 8,442,538.36
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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.