Finding the Fourth Proportional to 6,136,128.12, 8,467,799.18 and 3,345,250.98
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Solution
The fourth proportional to 6,136,128.12, 8,467,799.18 and 3,345,250.98 is: 4,616,414.94
Step by Step Solution
- Step 1: Write the proportion equation
6,136,128.12 : 8,467,799.18 = 3,345,250.98 : x - Step 2: Convert to fraction form
6,136,128.12/8,467,799.18 = 3,345,250.98/x - Step 3: Cross multiply
6,136,128.12x = 8,467,799.18 × 3,345,250.98 - Step 4: Simplify right side
6,136,128.12x = 28,326,913,505,338.20 - Step 5: Solve for x
x = 28,326,913,505,338.20/6,136,128.12 - Step 6: Final answer
x = 4,616,414.94
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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.