Finding the Fourth Proportional to 8,446,142.44, 11,660,198.92 and 6,606,692.08
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Solution
The fourth proportional to 8,446,142.44, 11,660,198.92 and 6,606,692.08 is: 9,120,772.52
Step by Step Solution
- Step 1: Write the proportion equation
8,446,142.44 : 11,660,198.92 = 6,606,692.08 : x - Step 2: Convert to fraction form
8,446,142.44/11,660,198.92 = 6,606,692.08/x - Step 3: Cross multiply
8,446,142.44x = 11,660,198.92 × 6,606,692.08 - Step 4: Simplify right side
8,446,142.44x = 77,035,343,855,988.55 - Step 5: Solve for x
x = 77,035,343,855,988.55/8,446,142.44 - Step 6: Final answer
x = 9,120,772.52
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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.