Finding the Fourth Proportional to 14,198,424.95, 21,290,060.21 and 7,368,121.01
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Solution
The fourth proportional to 14,198,424.95, 21,290,060.21 and 7,368,121.01 is: 11,048,249.39
Step by Step Solution
- Step 1: Write the proportion equation
14,198,424.95 : 21,290,060.21 = 7,368,121.01 : x - Step 2: Convert to fraction form
14,198,424.95/21,290,060.21 = 7,368,121.01/x - Step 3: Cross multiply
14,198,424.95x = 21,290,060.21 × 7,368,121.01 - Step 4: Simplify right side
14,198,424.95x = 156,867,739,794,175.09 - Step 5: Solve for x
x = 156,867,739,794,175.09/14,198,424.95 - Step 6: Final answer
x = 11,048,249.39
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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.