Finding the Fourth Proportional to 18,866,942.01, 26,036,468.15 and 10,718,627.13
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Solution
The fourth proportional to 18,866,942.01, 26,036,468.15 and 10,718,627.13 is: 14,791,755.53
Step by Step Solution
- Step 1: Write the proportion equation
18,866,942.01 : 26,036,468.15 = 10,718,627.13 : x - Step 2: Convert to fraction form
18,866,942.01/26,036,468.15 = 10,718,627.13/x - Step 3: Cross multiply
18,866,942.01x = 26,036,468.15 × 10,718,627.13 - Step 4: Simplify right side
18,866,942.01x = 279,075,193,828,377.78 - Step 5: Solve for x
x = 279,075,193,828,377.78/18,866,942.01 - Step 6: Final answer
x = 14,791,755.53
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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.