Finding the Fourth Proportional to 30,071,531.06, 41,498,729.84 and 16,320,495.18
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Solution
The fourth proportional to 30,071,531.06, 41,498,729.84 and 16,320,495.18 is: 22,522,292.57
Step by Step Solution
- Step 1: Write the proportion equation
30,071,531.06 : 41,498,729.84 = 16,320,495.18 : x - Step 2: Convert to fraction form
30,071,531.06/41,498,729.84 = 16,320,495.18/x - Step 3: Cross multiply
30,071,531.06x = 41,498,729.84 × 16,320,495.18 - Step 4: Simplify right side
30,071,531.06x = 677,279,820,370,643.38 - Step 5: Solve for x
x = 677,279,820,370,643.38/30,071,531.06 - Step 6: Final answer
x = 22,522,292.57
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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.