Finding the Fourth Proportional to 37,902,528.68, 52,305,489.66 and 20,498,873.90
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Solution
The fourth proportional to 37,902,528.68, 52,305,489.66 and 20,498,873.90 is: 28,288,446.02
Step by Step Solution
- Step 1: Write the proportion equation
37,902,528.68 : 52,305,489.66 = 20,498,873.90 : x - Step 2: Convert to fraction form
37,902,528.68/52,305,489.66 = 20,498,873.90/x - Step 3: Cross multiply
37,902,528.68x = 52,305,489.66 × 20,498,873.90 - Step 4: Simplify right side
37,902,528.68x = 1,072,203,636,556,566.38 - Step 5: Solve for x
x = 1,072,203,636,556,566.38/37,902,528.68 - Step 6: Final answer
x = 28,288,446.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.