Finding the Fourth Proportional to 19,343,920.23, 26,694,609.75 and 10,641,906.09
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Solution
The fourth proportional to 19,343,920.23, 26,694,609.75 and 10,641,906.09 is: 14,685,830.31
Step by Step Solution
- Step 1: Write the proportion equation
19,343,920.23 : 26,694,609.75 = 10,641,906.09 : x - Step 2: Convert to fraction form
19,343,920.23/26,694,609.75 = 10,641,906.09/x - Step 3: Cross multiply
19,343,920.23x = 26,694,609.75 × 10,641,906.09 - Step 4: Simplify right side
19,343,920.23x = 284,081,530,068,698.38 - Step 5: Solve for x
x = 284,081,530,068,698.38/19,343,920.23 - Step 6: Final answer
x = 14,685,830.31
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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.