Finding the Fourth Proportional to 20,287,941.92, 30,436,578.56 and 6,641,528.48
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Solution
The fourth proportional to 20,287,941.92, 30,436,578.56 and 6,641,528.48 is: 9,963,820.09
Step by Step Solution
- Step 1: Write the proportion equation
20,287,941.92 : 30,436,578.56 = 6,641,528.48 : x - Step 2: Convert to fraction form
20,287,941.92/30,436,578.56 = 6,641,528.48/x - Step 3: Cross multiply
20,287,941.92x = 30,436,578.56 × 6,641,528.48 - Step 4: Simplify right side
20,287,941.92x = 202,145,403,204,418.31 - Step 5: Solve for x
x = 202,145,403,204,418.31/20,287,941.92 - Step 6: Final answer
x = 9,963,820.09
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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.