Finding the Fourth Proportional to 19,387,364.20, 29,056,163.08 and 11,806,282.60
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Solution
The fourth proportional to 19,387,364.20, 29,056,163.08 and 11,806,282.60 is: 17,694,270.82
Step by Step Solution
- Step 1: Write the proportion equation
19,387,364.20 : 29,056,163.08 = 11,806,282.60 : x - Step 2: Convert to fraction form
19,387,364.20/29,056,163.08 = 11,806,282.60/x - Step 3: Cross multiply
19,387,364.20x = 29,056,163.08 × 11,806,282.60 - Step 4: Simplify right side
19,387,364.20x = 343,045,272,594,166.38 - Step 5: Solve for x
x = 343,045,272,594,166.38/19,387,364.20 - Step 6: Final answer
x = 17,694,270.82
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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.