Finding the Fourth Proportional to 17,708,979.22, 24,425,382.68 and 11,737,586.53
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Solution
The fourth proportional to 17,708,979.22, 24,425,382.68 and 11,737,586.53 is: 16,189,247.22
Step by Step Solution
- Step 1: Write the proportion equation
17,708,979.22 : 24,425,382.68 = 11,737,586.53 : x - Step 2: Convert to fraction form
17,708,979.22/24,425,382.68 = 11,737,586.53/x - Step 3: Cross multiply
17,708,979.22x = 24,425,382.68 × 11,737,586.53 - Step 4: Simplify right side
17,708,979.22x = 286,695,042,679,354.19 - Step 5: Solve for x
x = 286,695,042,679,354.19/17,708,979.22 - Step 6: Final answer
x = 16,189,247.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.