Finding the Fourth Proportional to 7,990,555.68, 11,019,613.01 and 5,236,242.75
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Solution
The fourth proportional to 7,990,555.68, 11,019,613.01 and 5,236,242.75 is: 7,221,196.00
Step by Step Solution
- Step 1: Write the proportion equation
7,990,555.68 : 11,019,613.01 = 5,236,242.75 : x - Step 2: Convert to fraction form
7,990,555.68/11,019,613.01 = 5,236,242.75/x - Step 3: Cross multiply
7,990,555.68x = 11,019,613.01 × 5,236,242.75 - Step 4: Simplify right side
7,990,555.68x = 57,701,368,705,236.97 - Step 5: Solve for x
x = 57,701,368,705,236.97/7,990,555.68 - Step 6: Final answer
x = 7,221,196.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.