Finding the Fourth Proportional to 8,651,510.40, 12,963,268.80 and 5,450,908.80
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Solution
The fourth proportional to 8,651,510.40, 12,963,268.80 and 5,450,908.80 is: 8,167,544.48
Step by Step Solution
- Step 1: Write the proportion equation
8,651,510.40 : 12,963,268.80 = 5,450,908.80 : x - Step 2: Convert to fraction form
8,651,510.40/12,963,268.80 = 5,450,908.80/x - Step 3: Cross multiply
8,651,510.40x = 12,963,268.80 × 5,450,908.80 - Step 4: Simplify right side
8,651,510.40x = 70,661,595,978,685.44 - Step 5: Solve for x
x = 70,661,595,978,685.44/8,651,510.40 - Step 6: Final answer
x = 8,167,544.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.