Finding the Fourth Proportional to 8,117,664.80, 12,176,497.20 and 4,136,352.80
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Solution
The fourth proportional to 8,117,664.80, 12,176,497.20 and 4,136,352.80 is: 6,204,529.20
Step by Step Solution
- Step 1: Write the proportion equation
8,117,664.80 : 12,176,497.20 = 4,136,352.80 : x - Step 2: Convert to fraction form
8,117,664.80/12,176,497.20 = 4,136,352.80/x - Step 3: Cross multiply
8,117,664.80x = 12,176,497.20 × 4,136,352.80 - Step 4: Simplify right side
8,117,664.80x = 50,366,288,287,412.16 - Step 5: Solve for x
x = 50,366,288,287,412.16/8,117,664.80 - Step 6: Final answer
x = 6,204,529.20
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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.