Finding the Fourth Proportional to 8,106,851.68, 12,153,409.52 and 3,554,450.40
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Solution
The fourth proportional to 8,106,851.68, 12,153,409.52 and 3,554,450.40 is: 5,328,664.32
Step by Step Solution
- Step 1: Write the proportion equation
8,106,851.68 : 12,153,409.52 = 3,554,450.40 : x - Step 2: Convert to fraction form
8,106,851.68/12,153,409.52 = 3,554,450.40/x - Step 3: Cross multiply
8,106,851.68x = 12,153,409.52 × 3,554,450.40 - Step 4: Simplify right side
8,106,851.68x = 43,198,691,329,727.80 - Step 5: Solve for x
x = 43,198,691,329,727.80/8,106,851.68 - Step 6: Final answer
x = 5,328,664.32
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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.