Finding the Fourth Proportional to 27,793,357.42, 38,354,836.88 and 15,404,250.70
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Solution
The fourth proportional to 27,793,357.42, 38,354,836.88 and 15,404,250.70 is: 21,257,867.99
Step by Step Solution
- Step 1: Write the proportion equation
27,793,357.42 : 38,354,836.88 = 15,404,250.70 : x - Step 2: Convert to fraction form
27,793,357.42/38,354,836.88 = 15,404,250.70/x - Step 3: Cross multiply
27,793,357.42x = 38,354,836.88 × 15,404,250.70 - Step 4: Simplify right side
27,793,357.42x = 590,827,522,981,230.38 - Step 5: Solve for x
x = 590,827,522,981,230.38/27,793,357.42 - Step 6: Final answer
x = 21,257,867.99
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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.