Finding the Fourth Proportional to 8,876,884.72, 12,203,075.68 and 7,631,908.44
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Solution
The fourth proportional to 8,876,884.72, 12,203,075.68 and 7,631,908.44 is: 10,491,603.67
Step by Step Solution
- Step 1: Write the proportion equation
8,876,884.72 : 12,203,075.68 = 7,631,908.44 : x - Step 2: Convert to fraction form
8,876,884.72/12,203,075.68 = 7,631,908.44/x - Step 3: Cross multiply
8,876,884.72x = 12,203,075.68 × 7,631,908.44 - Step 4: Simplify right side
8,876,884.72x = 93,132,756,276,150.73 - Step 5: Solve for x
x = 93,132,756,276,150.73/8,876,884.72 - Step 6: Final answer
x = 10,491,603.67
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.