Finding the Fourth Proportional to 18,906,394.95, 28,361,356.61 and 14,651,338.59
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Solution
The fourth proportional to 18,906,394.95, 28,361,356.61 and 14,651,338.59 is: 21,978,375.02
Step by Step Solution
- Step 1: Write the proportion equation
18,906,394.95 : 28,361,356.61 = 14,651,338.59 : x - Step 2: Convert to fraction form
18,906,394.95/28,361,356.61 = 14,651,338.59/x - Step 3: Cross multiply
18,906,394.95x = 28,361,356.61 × 14,651,338.59 - Step 4: Simplify right side
18,906,394.95x = 415,531,838,491,587.88 - Step 5: Solve for x
x = 415,531,838,491,587.88/18,906,394.95 - Step 6: Final answer
x = 21,978,375.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.