Finding the Fourth Proportional to 12,393,818.37, 17,102,844.41 and 6,887,074.97
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Solution
The fourth proportional to 12,393,818.37, 17,102,844.41 and 6,887,074.97 is: 9,503,816.19
Step by Step Solution
- Step 1: Write the proportion equation
12,393,818.37 : 17,102,844.41 = 6,887,074.97 : x - Step 2: Convert to fraction form
12,393,818.37/17,102,844.41 = 6,887,074.97/x - Step 3: Cross multiply
12,393,818.37x = 17,102,844.41 × 6,887,074.97 - Step 4: Simplify right side
12,393,818.37x = 117,788,571,660,237.17 - Step 5: Solve for x
x = 117,788,571,660,237.17/12,393,818.37 - Step 6: Final answer
x = 9,503,816.19
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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.