Finding the Fourth Proportional to 25,980,662.09, 38,979,647.99 and 8,710,571.90
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Solution
The fourth proportional to 25,980,662.09, 38,979,647.99 and 8,710,571.90 is: 13,068,759.57
Step by Step Solution
- Step 1: Write the proportion equation
25,980,662.09 : 38,979,647.99 = 8,710,571.90 : x - Step 2: Convert to fraction form
25,980,662.09/38,979,647.99 = 8,710,571.90/x - Step 3: Cross multiply
25,980,662.09x = 38,979,647.99 × 8,710,571.90 - Step 4: Simplify right side
25,980,662.09x = 339,535,026,410,032.62 - Step 5: Solve for x
x = 339,535,026,410,032.62/25,980,662.09 - Step 6: Final answer
x = 13,068,759.57
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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.