Finding the Fourth Proportional to 30,068,087.58, 41,493,988.08 and 16,317,051.84
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Solution
The fourth proportional to 30,068,087.58, 41,493,988.08 and 16,317,051.84 is: 22,517,546.31
Step by Step Solution
- Step 1: Write the proportion equation
30,068,087.58 : 41,493,988.08 = 16,317,051.84 : x - Step 2: Convert to fraction form
30,068,087.58/41,493,988.08 = 16,317,051.84/x - Step 3: Cross multiply
30,068,087.58x = 41,493,988.08 × 16,317,051.84 - Step 4: Simplify right side
30,068,087.58x = 677,059,554,549,702 - Step 5: Solve for x
x = 677,059,554,549,702/30,068,087.58 - Step 6: Final answer
x = 22,517,546.31
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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.