Finding the Fourth Proportional to 19,505,520.86, 29,268,993.04 and 11,318,174.04
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Solution
The fourth proportional to 19,505,520.86, 29,268,993.04 and 11,318,174.04 is: 16,983,476.61
Step by Step Solution
- Step 1: Write the proportion equation
19,505,520.86 : 29,268,993.04 = 11,318,174.04 : x - Step 2: Convert to fraction form
19,505,520.86/29,268,993.04 = 11,318,174.04/x - Step 3: Cross multiply
19,505,520.86x = 29,268,993.04 × 11,318,174.04 - Step 4: Simplify right side
19,505,520.86x = 331,271,557,202,268.62 - Step 5: Solve for x
x = 331,271,557,202,268.62/19,505,520.86 - Step 6: Final answer
x = 16,983,476.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.