Finding the Fourth Proportional to 18,196,989.66, 27,286,357.41 and 6,062,186.88
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Solution
The fourth proportional to 18,196,989.66, 27,286,357.41 and 6,062,186.88 is: 9,090,239.70
Step by Step Solution
- Step 1: Write the proportion equation
18,196,989.66 : 27,286,357.41 = 6,062,186.88 : x - Step 2: Convert to fraction form
18,196,989.66/27,286,357.41 = 6,062,186.88/x - Step 3: Cross multiply
18,196,989.66x = 27,286,357.41 × 6,062,186.88 - Step 4: Simplify right side
18,196,989.66x = 165,414,997,893,892.78 - Step 5: Solve for x
x = 165,414,997,893,892.78/18,196,989.66 - Step 6: Final answer
x = 9,090,239.70
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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.