Finding the Fourth Proportional to 7,355,986.80, 11,027,413.80 and 2,867,218.80
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Solution
The fourth proportional to 7,355,986.80, 11,027,413.80 and 2,867,218.80 is: 4,298,268.75
Step by Step Solution
- Step 1: Write the proportion equation
7,355,986.80 : 11,027,413.80 = 2,867,218.80 : x - Step 2: Convert to fraction form
7,355,986.80/11,027,413.80 = 2,867,218.80/x - Step 3: Cross multiply
7,355,986.80x = 11,027,413.80 × 2,867,218.80 - Step 4: Simplify right side
7,355,986.80x = 31,618,008,162,739.44 - Step 5: Solve for x
x = 31,618,008,162,739.44/7,355,986.80 - Step 6: Final answer
x = 4,298,268.75
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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.