Finding the Fourth Proportional to 39,196,651.14, 54,088,570.76 and 21,556,795.75
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Solution
The fourth proportional to 39,196,651.14, 54,088,570.76 and 21,556,795.75 is: 29,746,833.93
Step by Step Solution
- Step 1: Write the proportion equation
39,196,651.14 : 54,088,570.76 = 21,556,795.75 : x - Step 2: Convert to fraction form
39,196,651.14/54,088,570.76 = 21,556,795.75/x - Step 3: Cross multiply
39,196,651.14x = 54,088,570.76 × 21,556,795.75 - Step 4: Simplify right side
39,196,651.14x = 1,165,976,272,336,634.25 - Step 5: Solve for x
x = 1,165,976,272,336,634.25/39,196,651.14 - Step 6: Final answer
x = 29,746,833.93
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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.