Finding the Fourth Proportional to 10,350,724.61, 14,286,434.04 and 6,433,439.19
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Solution
The fourth proportional to 10,350,724.61, 14,286,434.04 and 6,433,439.19 is: 8,879,658.98
Step by Step Solution
- Step 1: Write the proportion equation
10,350,724.61 : 14,286,434.04 = 6,433,439.19 : x - Step 2: Convert to fraction form
10,350,724.61/14,286,434.04 = 6,433,439.19/x - Step 3: Cross multiply
10,350,724.61x = 14,286,434.04 × 6,433,439.19 - Step 4: Simplify right side
10,350,724.61x = 91,910,904,638,286.03 - Step 5: Solve for x
x = 91,910,904,638,286.03/10,350,724.61 - Step 6: Final answer
x = 8,879,658.98
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1.5x scale
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.