Finding the Fourth Proportional to 7,700,689.94, 10,627,542.36 and 4,393,056.96
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Solution
The fourth proportional to 7,700,689.94, 10,627,542.36 and 4,393,056.96 is: 6,062,755.33
Step by Step Solution
- Step 1: Write the proportion equation
7,700,689.94 : 10,627,542.36 = 4,393,056.96 : x - Step 2: Convert to fraction form
7,700,689.94/10,627,542.36 = 4,393,056.96/x - Step 3: Cross multiply
7,700,689.94x = 10,627,542.36 × 4,393,056.96 - Step 4: Simplify right side
7,700,689.94x = 46,687,398,932,292.82 - Step 5: Solve for x
x = 46,687,398,932,292.82/7,700,689.94 - Step 6: Final answer
x = 6,062,755.33
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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.