Finding the Fourth Proportional to 7,268,225.40, 10,902,338.10 and 5,000,743.80
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Solution
The fourth proportional to 7,268,225.40, 10,902,338.10 and 5,000,743.80 is: 7,501,115.70
Step by Step Solution
- Step 1: Write the proportion equation
7,268,225.40 : 10,902,338.10 = 5,000,743.80 : x - Step 2: Convert to fraction form
7,268,225.40/10,902,338.10 = 5,000,743.80/x - Step 3: Cross multiply
7,268,225.40x = 10,902,338.10 × 5,000,743.80 - Step 4: Simplify right side
7,268,225.40x = 54,519,799,659,078.77 - Step 5: Solve for x
x = 54,519,799,659,078.77/7,268,225.40 - Step 6: Final answer
x = 7,501,115.70
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Similar ratio
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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.