Finding the Fourth Proportional to 38,564,771.75, 57,816,720.69 and 19,120,591.20
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Solution
The fourth proportional to 38,564,771.75, 57,816,720.69 and 19,120,591.20 is: 28,665,796.03
Step by Step Solution
- Step 1: Write the proportion equation
38,564,771.75 : 57,816,720.69 = 19,120,591.20 : x - Step 2: Convert to fraction form
38,564,771.75/57,816,720.69 = 19,120,591.20/x - Step 3: Cross multiply
38,564,771.75x = 57,816,720.69 × 19,120,591.20 - Step 4: Simplify right side
38,564,771.75x = 1,105,489,880,838,071.88 - Step 5: Solve for x
x = 1,105,489,880,838,071.88/38,564,771.75 - Step 6: Final answer
x = 28,665,796.03
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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.