Finding the Fourth Proportional to 18,286,070.60, 27,428,231.10 and 6,154,344.20
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Solution
The fourth proportional to 18,286,070.60, 27,428,231.10 and 6,154,344.20 is: 9,231,221.88
Step by Step Solution
- Step 1: Write the proportion equation
18,286,070.60 : 27,428,231.10 = 6,154,344.20 : x - Step 2: Convert to fraction form
18,286,070.60/27,428,231.10 = 6,154,344.20/x - Step 3: Cross multiply
18,286,070.60x = 27,428,231.10 × 6,154,344.20 - Step 4: Simplify right side
18,286,070.60x = 168,802,774,986,544.62 - Step 5: Solve for x
x = 168,802,774,986,544.62/18,286,070.60 - Step 6: Final answer
x = 9,231,221.88
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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.