Finding the Fourth Proportional to 12,193,618.75, 16,825,647.30 and 6,685,544.18
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Solution
The fourth proportional to 12,193,618.75, 16,825,647.30 and 6,685,544.18 is: 9,225,203.01
Step by Step Solution
- Step 1: Write the proportion equation
12,193,618.75 : 16,825,647.30 = 6,685,544.18 : x - Step 2: Convert to fraction form
12,193,618.75/16,825,647.30 = 6,685,544.18/x - Step 3: Cross multiply
12,193,618.75x = 16,825,647.30 × 6,685,544.18 - Step 4: Simplify right side
12,193,618.75x = 112,488,608,423,311.84 - Step 5: Solve for x
x = 112,488,608,423,311.84/12,193,618.75 - Step 6: Final answer
x = 9,225,203.01
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1.5x scale
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.