Finding the Fourth Proportional to 8,262,503.80, 12,393,755.70 and 2,197,223.80
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Solution
The fourth proportional to 8,262,503.80, 12,393,755.70 and 2,197,223.80 is: 3,295,835.70
Step by Step Solution
- Step 1: Write the proportion equation
8,262,503.80 : 12,393,755.70 = 2,197,223.80 : x - Step 2: Convert to fraction form
8,262,503.80/12,393,755.70 = 2,197,223.80/x - Step 3: Cross multiply
8,262,503.80x = 12,393,755.70 × 2,197,223.80 - Step 4: Simplify right side
8,262,503.80x = 27,231,854,995,425.66 - Step 5: Solve for x
x = 27,231,854,995,425.66/8,262,503.80 - Step 6: Final answer
x = 3,295,835.70
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1.5x scale
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.