Finding the Fourth Proportional to 28,279,794.05, 39,026,141.25 and 16,056,651.05
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Solution
The fourth proportional to 28,279,794.05, 39,026,141.25 and 16,056,651.05 is: 22,158,192.91
Step by Step Solution
- Step 1: Write the proportion equation
28,279,794.05 : 39,026,141.25 = 16,056,651.05 : x - Step 2: Convert to fraction form
28,279,794.05/39,026,141.25 = 16,056,651.05/x - Step 3: Cross multiply
28,279,794.05x = 39,026,141.25 × 16,056,651.05 - Step 4: Simplify right side
28,279,794.05x = 626,629,131,879,260.88 - Step 5: Solve for x
x = 626,629,131,879,260.88/28,279,794.05 - Step 6: Final answer
x = 22,158,192.91
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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.