Finding the Fourth Proportional to 11,292,369.51, 16,938,520.74 and 3,205,351.99
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Solution
The fourth proportional to 11,292,369.51, 16,938,520.74 and 3,205,351.99 is: 4,808,018.47
Step by Step Solution
- Step 1: Write the proportion equation
11,292,369.51 : 16,938,520.74 = 3,205,351.99 : x - Step 2: Convert to fraction form
11,292,369.51/16,938,520.74 = 3,205,351.99/x - Step 3: Cross multiply
11,292,369.51x = 16,938,520.74 × 3,205,351.99 - Step 4: Simplify right side
11,292,369.51x = 54,293,921,161,615.27 - Step 5: Solve for x
x = 54,293,921,161,615.27/11,292,369.51 - Step 6: Final answer
x = 4,808,018.47
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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.