Finding the Fourth Proportional to 27,318,101.94, 37,701,130.44 and 15,557,868.13
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Solution
The fourth proportional to 27,318,101.94, 37,701,130.44 and 15,557,868.13 is: 21,471,082.33
Step by Step Solution
- Step 1: Write the proportion equation
27,318,101.94 : 37,701,130.44 = 15,557,868.13 : x - Step 2: Convert to fraction form
27,318,101.94/37,701,130.44 = 15,557,868.13/x - Step 3: Cross multiply
27,318,101.94x = 37,701,130.44 × 15,557,868.13 - Step 4: Simplify right side
27,318,101.94x = 586,549,215,737,448.88 - Step 5: Solve for x
x = 586,549,215,737,448.88/27,318,101.94 - Step 6: Final answer
x = 21,471,082.33
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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.