Finding the Fourth Proportional to 35,178,761.50, 48,545,517.18 and 19,497,117.76
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Solution
The fourth proportional to 35,178,761.50, 48,545,517.18 and 19,497,117.76 is: 26,905,372.01
Step by Step Solution
- Step 1: Write the proportion equation
35,178,761.50 : 48,545,517.18 = 19,497,117.76 : x - Step 2: Convert to fraction form
35,178,761.50/48,545,517.18 = 19,497,117.76/x - Step 3: Cross multiply
35,178,761.50x = 48,545,517.18 × 19,497,117.76 - Step 4: Simplify right side
35,178,761.50x = 946,497,665,178,563.25 - Step 5: Solve for x
x = 946,497,665,178,563.25/35,178,761.50 - Step 6: Final answer
x = 26,905,372.01
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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.