Finding the Fourth Proportional to 25,420,230.58, 35,079,940.80 and 13,817,794.06
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Solution
The fourth proportional to 25,420,230.58, 35,079,940.80 and 13,817,794.06 is: 19,068,568.09
Step by Step Solution
- Step 1: Write the proportion equation
25,420,230.58 : 35,079,940.80 = 13,817,794.06 : x - Step 2: Convert to fraction form
25,420,230.58/35,079,940.80 = 13,817,794.06/x - Step 3: Cross multiply
25,420,230.58x = 35,079,940.80 × 13,817,794.06 - Step 4: Simplify right side
25,420,230.58x = 484,727,397,611,391.62 - Step 5: Solve for x
x = 484,727,397,611,391.62/25,420,230.58 - Step 6: Final answer
x = 19,068,568.09
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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.