Finding the Fourth Proportional to 13,716,236.93, 20,574,349.25 and 4,131,615.47
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Solution
The fourth proportional to 13,716,236.93, 20,574,349.25 and 4,131,615.47 is: 6,197,421.35
Step by Step Solution
- Step 1: Write the proportion equation
13,716,236.93 : 20,574,349.25 = 4,131,615.47 : x - Step 2: Convert to fraction form
13,716,236.93/20,574,349.25 = 4,131,615.47/x - Step 3: Cross multiply
13,716,236.93x = 20,574,349.25 × 4,131,615.47 - Step 4: Simplify right side
13,716,236.93x = 85,005,299,522,953.08 - Step 5: Solve for x
x = 85,005,299,522,953.08/13,716,236.93 - Step 6: Final answer
x = 6,197,421.35
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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.