Finding the Fourth Proportional to 30,377,293.31, 41,920,664.77 and 16,626,257.44
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Solution
The fourth proportional to 30,377,293.31, 41,920,664.77 and 16,626,257.44 is: 22,944,235.26
Step by Step Solution
- Step 1: Write the proportion equation
30,377,293.31 : 41,920,664.77 = 16,626,257.44 : x - Step 2: Convert to fraction form
30,377,293.31/41,920,664.77 = 16,626,257.44/x - Step 3: Cross multiply
30,377,293.31x = 41,920,664.77 × 16,626,257.44 - Step 4: Simplify right side
30,377,293.31x = 696,983,764,437,939.62 - Step 5: Solve for x
x = 696,983,764,437,939.62/30,377,293.31 - Step 6: Final answer
x = 22,944,235.26
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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.