Finding the Fourth Proportional to 28,135,369.26, 42,202,266.54 and 8,967,276.54
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Solution
The fourth proportional to 28,135,369.26, 42,202,266.54 and 8,967,276.54 is: 13,450,663.87
Step by Step Solution
- Step 1: Write the proportion equation
28,135,369.26 : 42,202,266.54 = 8,967,276.54 : x - Step 2: Convert to fraction form
28,135,369.26/42,202,266.54 = 8,967,276.54/x - Step 3: Cross multiply
28,135,369.26x = 42,202,266.54 × 8,967,276.54 - Step 4: Simplify right side
28,135,369.26x = 378,439,394,678,968.94 - Step 5: Solve for x
x = 378,439,394,678,968.94/28,135,369.26 - Step 6: Final answer
x = 13,450,663.87
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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.