Finding the Fourth Proportional to 11,203,611.90, 16,795,447.68 and 4,378,633.02
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Solution
The fourth proportional to 11,203,611.90, 16,795,447.68 and 4,378,633.02 is: 6,564,052.95
Step by Step Solution
- Step 1: Write the proportion equation
11,203,611.90 : 16,795,447.68 = 4,378,633.02 : x - Step 2: Convert to fraction form
11,203,611.90/16,795,447.68 = 4,378,633.02/x - Step 3: Cross multiply
11,203,611.90x = 16,795,447.68 × 4,378,633.02 - Step 4: Simplify right side
11,203,611.90x = 73,541,101,797,330.39 - Step 5: Solve for x
x = 73,541,101,797,330.39/11,203,611.90 - Step 6: Final answer
x = 6,564,052.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.