Finding the Fourth Proportional to 11,794,825.12, 16,270,615.74 and 8,117,357.20
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Solution
The fourth proportional to 11,794,825.12, 16,270,615.74 and 8,117,357.20 is: 11,197,656.47
Step by Step Solution
- Step 1: Write the proportion equation
11,794,825.12 : 16,270,615.74 = 8,117,357.20 : x - Step 2: Convert to fraction form
11,794,825.12/16,270,615.74 = 8,117,357.20/x - Step 3: Cross multiply
11,794,825.12x = 16,270,615.74 × 8,117,357.20 - Step 4: Simplify right side
11,794,825.12x = 132,074,399,825,522.33 - Step 5: Solve for x
x = 132,074,399,825,522.33/11,794,825.12 - Step 6: Final answer
x = 11,197,656.47
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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.