Finding the Fourth Proportional to 18,579,689.18, 27,869,537.42 and 5,801,288.75
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Solution
The fourth proportional to 18,579,689.18, 27,869,537.42 and 5,801,288.75 is: 8,701,934.26
Step by Step Solution
- Step 1: Write the proportion equation
18,579,689.18 : 27,869,537.42 = 5,801,288.75 : x - Step 2: Convert to fraction form
18,579,689.18/27,869,537.42 = 5,801,288.75/x - Step 3: Cross multiply
18,579,689.18x = 27,869,537.42 × 5,801,288.75 - Step 4: Simplify right side
18,579,689.18x = 161,679,233,733,995.91 - Step 5: Solve for x
x = 161,679,233,733,995.91/18,579,689.18 - Step 6: Final answer
x = 8,701,934.26
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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.