Finding the Fourth Proportional to 21,771,168.63, 32,633,969.49 and 8,118,823.02
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Solution
The fourth proportional to 21,771,168.63, 32,633,969.49 and 8,118,823.02 is: 12,169,738.21
Step by Step Solution
- Step 1: Write the proportion equation
21,771,168.63 : 32,633,969.49 = 8,118,823.02 : x - Step 2: Convert to fraction form
21,771,168.63/32,633,969.49 = 8,118,823.02/x - Step 3: Cross multiply
21,771,168.63x = 32,633,969.49 × 8,118,823.02 - Step 4: Simplify right side
21,771,168.63x = 264,949,422,729,389.62 - Step 5: Solve for x
x = 264,949,422,729,389.62/21,771,168.63 - Step 6: Final answer
x = 12,169,738.21
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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.