Finding the Fourth Proportional to 14,733,928.96, 20,330,122.80 and 8,207,396
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Solution
The fourth proportional to 14,733,928.96, 20,330,122.80 and 8,207,396 is: 11,324,702.94
Step by Step Solution
- Step 1: Write the proportion equation
14,733,928.96 : 20,330,122.80 = 8,207,396 : x - Step 2: Convert to fraction form
14,733,928.96/20,330,122.80 = 8,207,396/x - Step 3: Cross multiply
14,733,928.96x = 20,330,122.80 × 8,207,396 - Step 4: Simplify right side
14,733,928.96x = 166,857,368,548,228.81 - Step 5: Solve for x
x = 166,857,368,548,228.81/14,733,928.96 - Step 6: Final answer
x = 11,324,702.94
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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.