Finding the Fourth Proportional to 10,449,693.26, 15,650,675.72 and 4,988,629.62
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Solution
The fourth proportional to 10,449,693.26, 15,650,675.72 and 4,988,629.62 is: 7,471,551.80
Step by Step Solution
- Step 1: Write the proportion equation
10,449,693.26 : 15,650,675.72 = 4,988,629.62 : x - Step 2: Convert to fraction form
10,449,693.26/15,650,675.72 = 4,988,629.62/x - Step 3: Cross multiply
10,449,693.26x = 15,650,675.72 × 4,988,629.62 - Step 4: Simplify right side
10,449,693.26x = 78,075,424,463,571.05 - Step 5: Solve for x
x = 78,075,424,463,571.05/10,449,693.26 - Step 6: Final answer
x = 7,471,551.80
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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.