Finding the Fourth Proportional to 10,952,107.20, 16,428,160.80 and 4,886,827.20
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Solution
The fourth proportional to 10,952,107.20, 16,428,160.80 and 4,886,827.20 is: 7,330,240.80
Step by Step Solution
- Step 1: Write the proportion equation
10,952,107.20 : 16,428,160.80 = 4,886,827.20 : x - Step 2: Convert to fraction form
10,952,107.20/16,428,160.80 = 4,886,827.20/x - Step 3: Cross multiply
10,952,107.20x = 16,428,160.80 × 4,886,827.20 - Step 4: Simplify right side
10,952,107.20x = 80,281,583,043,413.77 - Step 5: Solve for x
x = 80,281,583,043,413.77/10,952,107.20 - Step 6: Final answer
x = 7,330,240.80
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1.5x scale
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.