Finding the Fourth Proportional to 12,269,183.60, 18,403,602.60 and 5,537,586.80
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Solution
The fourth proportional to 12,269,183.60, 18,403,602.60 and 5,537,586.80 is: 8,306,302.21
Step by Step Solution
- Step 1: Write the proportion equation
12,269,183.60 : 18,403,602.60 = 5,537,586.80 : x - Step 2: Convert to fraction form
12,269,183.60/18,403,602.60 = 5,537,586.80/x - Step 3: Cross multiply
12,269,183.60x = 18,403,602.60 × 5,537,586.80 - Step 4: Simplify right side
12,269,183.60x = 101,911,546,830,205.69 - Step 5: Solve for x
x = 101,911,546,830,205.69/12,269,183.60 - Step 6: Final answer
x = 8,306,302.21
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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.