Finding the Fourth Proportional to 18,541,405.80, 27,812,108.70 and 8,463,709.80
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Solution
The fourth proportional to 18,541,405.80, 27,812,108.70 and 8,463,709.80 is: 12,695,564.70
Step by Step Solution
- Step 1: Write the proportion equation
18,541,405.80 : 27,812,108.70 = 8,463,709.80 : x - Step 2: Convert to fraction form
18,541,405.80/27,812,108.70 = 8,463,709.80/x - Step 3: Cross multiply
18,541,405.80x = 27,812,108.70 × 8,463,709.80 - Step 4: Simplify right side
18,541,405.80x = 235,393,616,962,855.28 - Step 5: Solve for x
x = 235,393,616,962,855.28/18,541,405.80 - Step 6: Final answer
x = 12,695,564.70
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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.