Finding the Fourth Proportional to 7,251,935.36, 10,007,690.74 and 3,989,084.44
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Solution
The fourth proportional to 7,251,935.36, 10,007,690.74 and 3,989,084.44 is: 5,504,947.50
Step by Step Solution
- Step 1: Write the proportion equation
7,251,935.36 : 10,007,690.74 = 3,989,084.44 : x - Step 2: Convert to fraction form
7,251,935.36/10,007,690.74 = 3,989,084.44/x - Step 3: Cross multiply
7,251,935.36x = 10,007,690.74 × 3,989,084.44 - Step 4: Simplify right side
7,251,935.36x = 39,921,523,411,266.09 - Step 5: Solve for x
x = 39,921,523,411,266.09/7,251,935.36 - Step 6: Final answer
x = 5,504,947.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.