Finding the Fourth Proportional to 8,800,193.20, 13,206,194.70 and 5,202,140.80
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Solution
The fourth proportional to 8,800,193.20, 13,206,194.70 and 5,202,140.80 is: 7,806,701.82
Step by Step Solution
- Step 1: Write the proportion equation
8,800,193.20 : 13,206,194.70 = 5,202,140.80 : x - Step 2: Convert to fraction form
8,800,193.20/13,206,194.70 = 5,202,140.80/x - Step 3: Cross multiply
8,800,193.20x = 13,206,194.70 × 5,202,140.80 - Step 4: Simplify right side
8,800,193.20x = 68,700,484,261,613.75 - Step 5: Solve for x
x = 68,700,484,261,613.75/8,800,193.20 - Step 6: Final answer
x = 7,806,701.82
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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.