Finding the Fourth Proportional to 36,854,415.92, 50,859,366.68 and 20,335,153.66
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Solution
The fourth proportional to 36,854,415.92, 50,859,366.68 and 20,335,153.66 is: 28,062,662.52
Step by Step Solution
- Step 1: Write the proportion equation
36,854,415.92 : 50,859,366.68 = 20,335,153.66 : x - Step 2: Convert to fraction form
36,854,415.92/50,859,366.68 = 20,335,153.66/x - Step 3: Cross multiply
36,854,415.92x = 50,859,366.68 × 20,335,153.66 - Step 4: Simplify right side
36,854,415.92x = 1,034,233,036,411,773.38 - Step 5: Solve for x
x = 1,034,233,036,411,773.38/36,854,415.92 - Step 6: Final answer
x = 28,062,662.52
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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.