Finding the Fourth Proportional to 18,418,479.70, 27,570,244.51 and 13,566,265.08
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Solution
The fourth proportional to 18,418,479.70, 27,570,244.51 and 13,566,265.08 is: 20,307,063.96
Step by Step Solution
- Step 1: Write the proportion equation
18,418,479.70 : 27,570,244.51 = 13,566,265.08 : x - Step 2: Convert to fraction form
18,418,479.70/27,570,244.51 = 13,566,265.08/x - Step 3: Cross multiply
18,418,479.70x = 27,570,244.51 × 13,566,265.08 - Step 4: Simplify right side
18,418,479.70x = 374,025,245,274,543.69 - Step 5: Solve for x
x = 374,025,245,274,543.69/18,418,479.70 - Step 6: Final answer
x = 20,307,063.96
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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.