Finding the Fourth Proportional to 13,431,229.84, 20,148,827.64 and 4,794,659.92
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Solution
The fourth proportional to 13,431,229.84, 20,148,827.64 and 4,794,659.92 is: 7,192,697.73
Step by Step Solution
- Step 1: Write the proportion equation
13,431,229.84 : 20,148,827.64 = 4,794,659.92 : x - Step 2: Convert to fraction form
13,431,229.84/20,148,827.64 = 4,794,659.92/x - Step 3: Cross multiply
13,431,229.84x = 20,148,827.64 × 4,794,659.92 - Step 4: Simplify right side
13,431,229.84x = 96,606,776,320,496.19 - Step 5: Solve for x
x = 96,606,776,320,496.19/13,431,229.84 - Step 6: Final answer
x = 7,192,697.73
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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.