Finding the Fourth Proportional to 7,623,133.94, 11,439,162.48 and 2,834,128.82
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Solution
The fourth proportional to 7,623,133.94, 11,439,162.48 and 2,834,128.82 is: 4,252,851.95
Step by Step Solution
- Step 1: Write the proportion equation
7,623,133.94 : 11,439,162.48 = 2,834,128.82 : x - Step 2: Convert to fraction form
7,623,133.94/11,439,162.48 = 2,834,128.82/x - Step 3: Cross multiply
7,623,133.94x = 11,439,162.48 × 2,834,128.82 - Step 4: Simplify right side
7,623,133.94x = 32,420,060,061,230.67 - Step 5: Solve for x
x = 32,420,060,061,230.67/7,623,133.94 - Step 6: Final answer
x = 4,252,851.95
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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.