Finding the Fourth Proportional to 18,629,799.16, 27,943,097.82 and 11,341,367.32
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Solution
The fourth proportional to 18,629,799.16, 27,943,097.82 and 11,341,367.32 is: 17,011,076.38
Step by Step Solution
- Step 1: Write the proportion equation
18,629,799.16 : 27,943,097.82 = 11,341,367.32 : x - Step 2: Convert to fraction form
18,629,799.16/27,943,097.82 = 11,341,367.32/x - Step 3: Cross multiply
18,629,799.16x = 27,943,097.82 × 11,341,367.32 - Step 4: Simplify right side
18,629,799.16x = 316,912,936,435,311.25 - Step 5: Solve for x
x = 316,912,936,435,311.25/18,629,799.16 - Step 6: Final answer
x = 17,011,076.38
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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.