Finding the Fourth Proportional to 18,342,114.15, 27,530,885.93 and 11,167,660.65
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Solution
The fourth proportional to 18,342,114.15, 27,530,885.93 and 11,167,660.65 is: 16,762,276.63
Step by Step Solution
- Step 1: Write the proportion equation
18,342,114.15 : 27,530,885.93 = 11,167,660.65 : x - Step 2: Convert to fraction form
18,342,114.15/27,530,885.93 = 11,167,660.65/x - Step 3: Cross multiply
18,342,114.15x = 27,530,885.93 × 11,167,660.65 - Step 4: Simplify right side
18,342,114.15x = 307,455,591,404,261.38 - Step 5: Solve for x
x = 307,455,591,404,261.38/18,342,114.15 - Step 6: Final answer
x = 16,762,276.63
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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.