Finding the Fourth Proportional to 21,528,698.40, 32,299,268.40 and 6,382,994.40
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Solution
The fourth proportional to 21,528,698.40, 32,299,268.40 and 6,382,994.40 is: 9,576,335.99
Step by Step Solution
- Step 1: Write the proportion equation
21,528,698.40 : 32,299,268.40 = 6,382,994.40 : x - Step 2: Convert to fraction form
21,528,698.40/32,299,268.40 = 6,382,994.40/x - Step 3: Cross multiply
21,528,698.40x = 32,299,268.40 × 6,382,994.40 - Step 4: Simplify right side
21,528,698.40x = 206,166,049,321,296.97 - Step 5: Solve for x
x = 206,166,049,321,296.97/21,528,698.40 - Step 6: Final answer
x = 9,576,335.99
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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.