Finding the Fourth Proportional to 8,484,571.36, 12,728,850.08 and 2,804,795.20
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Solution
The fourth proportional to 8,484,571.36, 12,728,850.08 and 2,804,795.20 is: 4,207,851.65
Step by Step Solution
- Step 1: Write the proportion equation
8,484,571.36 : 12,728,850.08 = 2,804,795.20 : x - Step 2: Convert to fraction form
8,484,571.36/12,728,850.08 = 2,804,795.20/x - Step 3: Cross multiply
8,484,571.36x = 12,728,850.08 × 2,804,795.20 - Step 4: Simplify right side
8,484,571.36x = 35,701,817,605,903.62 - Step 5: Solve for x
x = 35,701,817,605,903.62/8,484,571.36 - Step 6: Final answer
x = 4,207,851.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.