Finding the Fourth Proportional to 18,375,652.86, 27,561,376.10 and 4,913,530.62
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Solution
The fourth proportional to 18,375,652.86, 27,561,376.10 and 4,913,530.62 is: 7,369,733.55
Step by Step Solution
- Step 1: Write the proportion equation
18,375,652.86 : 27,561,376.10 = 4,913,530.62 : x - Step 2: Convert to fraction form
18,375,652.86/27,561,376.10 = 4,913,530.62/x - Step 3: Cross multiply
18,375,652.86x = 27,561,376.10 × 4,913,530.62 - Step 4: Simplify right side
18,375,652.86x = 135,423,665,396,686.19 - Step 5: Solve for x
x = 135,423,665,396,686.19/18,375,652.86 - Step 6: Final answer
x = 7,369,733.55
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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.