Finding the Fourth Proportional to 19,505,521.36, 29,268,993.79 and 11,318,174.54
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Solution
The fourth proportional to 19,505,521.36, 29,268,993.79 and 11,318,174.54 is: 16,983,477.36
Step by Step Solution
- Step 1: Write the proportion equation
19,505,521.36 : 29,268,993.79 = 11,318,174.54 : x - Step 2: Convert to fraction form
19,505,521.36/29,268,993.79 = 11,318,174.54/x - Step 3: Cross multiply
19,505,521.36x = 29,268,993.79 × 11,318,174.54 - Step 4: Simplify right side
19,505,521.36x = 331,271,580,325,396.06 - Step 5: Solve for x
x = 331,271,580,325,396.06/19,505,521.36 - Step 6: Final answer
x = 16,983,477.36
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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.