Finding the Fourth Proportional to 18,366,381.68, 27,553,558.30 and 5,586,554.22
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Solution
The fourth proportional to 18,366,381.68, 27,553,558.30 and 5,586,554.22 is: 8,381,043.70
Step by Step Solution
- Step 1: Write the proportion equation
18,366,381.68 : 27,553,558.30 = 5,586,554.22 : x - Step 2: Convert to fraction form
18,366,381.68/27,553,558.30 = 5,586,554.22/x - Step 3: Cross multiply
18,366,381.68x = 27,553,558.30 × 5,586,554.22 - Step 4: Simplify right side
18,366,381.68x = 153,929,447,396,881.03 - Step 5: Solve for x
x = 153,929,447,396,881.03/18,366,381.68 - Step 6: Final answer
x = 8,381,043.70
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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.