Finding the Fourth Proportional to 21,677,743.36, 32,516,629.62 and 5,504,907.52
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Solution
The fourth proportional to 21,677,743.36, 32,516,629.62 and 5,504,907.52 is: 8,257,364.98
Step by Step Solution
- Step 1: Write the proportion equation
21,677,743.36 : 32,516,629.62 = 5,504,907.52 : x - Step 2: Convert to fraction form
21,677,743.36/32,516,629.62 = 5,504,907.52/x - Step 3: Cross multiply
21,677,743.36x = 32,516,629.62 × 5,504,907.52 - Step 4: Simplify right side
21,677,743.36x = 179,001,038,920,192.72 - Step 5: Solve for x
x = 179,001,038,920,192.72/21,677,743.36 - Step 6: Final answer
x = 8,257,364.98
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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.