Finding the Fourth Proportional to 19,192,091.17, 28,793,178.71 and 6,897,295.84
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Solution
The fourth proportional to 19,192,091.17, 28,793,178.71 and 6,897,295.84 is: 10,347,755.75
Step by Step Solution
- Step 1: Write the proportion equation
19,192,091.17 : 28,793,178.71 = 6,897,295.84 : x - Step 2: Convert to fraction form
19,192,091.17/28,793,178.71 = 6,897,295.84/x - Step 3: Cross multiply
19,192,091.17x = 28,793,178.71 × 6,897,295.84 - Step 4: Simplify right side
19,192,091.17x = 198,595,071,736,859.56 - Step 5: Solve for x
x = 198,595,071,736,859.56/19,192,091.17 - Step 6: Final answer
x = 10,347,755.75
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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.