Finding the Fourth Proportional to 11,075,776.61, 15,285,338.97 and 6,181,953.44
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Solution
The fourth proportional to 11,075,776.61, 15,285,338.97 and 6,181,953.44 is: 8,531,523.99
Step by Step Solution
- Step 1: Write the proportion equation
11,075,776.61 : 15,285,338.97 = 6,181,953.44 : x - Step 2: Convert to fraction form
11,075,776.61/15,285,338.97 = 6,181,953.44/x - Step 3: Cross multiply
11,075,776.61x = 15,285,338.97 × 6,181,953.44 - Step 4: Simplify right side
11,075,776.61x = 94,493,253,827,157.56 - Step 5: Solve for x
x = 94,493,253,827,157.56/11,075,776.61 - Step 6: Final answer
x = 8,531,523.99
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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.