Finding the Fourth Proportional to 12,625,493.26, 17,423,170.20 and 6,824,274.99
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Solution
The fourth proportional to 12,625,493.26, 17,423,170.20 and 6,824,274.99 is: 9,417,493.81
Step by Step Solution
- Step 1: Write the proportion equation
12,625,493.26 : 17,423,170.20 = 6,824,274.99 : x - Step 2: Convert to fraction form
12,625,493.26/17,423,170.20 = 6,824,274.99/x - Step 3: Cross multiply
12,625,493.26x = 17,423,170.20 × 6,824,274.99 - Step 4: Simplify right side
12,625,493.26x = 118,900,504,642,373.30 - Step 5: Solve for x
x = 118,900,504,642,373.30/12,625,493.26 - Step 6: Final answer
x = 9,417,493.81
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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.