Finding the Fourth Proportional to 18,365,518.40, 27,548,277.60 and 5,586,002.60
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Solution
The fourth proportional to 18,365,518.40, 27,548,277.60 and 5,586,002.60 is: 8,379,003.90
Step by Step Solution
- Step 1: Write the proportion equation
18,365,518.40 : 27,548,277.60 = 5,586,002.60 : x - Step 2: Convert to fraction form
18,365,518.40/27,548,277.60 = 5,586,002.60/x - Step 3: Cross multiply
18,365,518.40x = 27,548,277.60 × 5,586,002.60 - Step 4: Simplify right side
18,365,518.40x = 153,884,750,299,121.75 - Step 5: Solve for x
x = 153,884,750,299,121.75/18,365,518.40 - Step 6: Final answer
x = 8,379,003.90
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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.