Finding the Fourth Proportional to 17,991,586.68, 26,846,068.98 and 16,893,493.44
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Solution
The fourth proportional to 17,991,586.68, 26,846,068.98 and 16,893,493.44 is: 25,207,553.86
Step by Step Solution
- Step 1: Write the proportion equation
17,991,586.68 : 26,846,068.98 = 16,893,493.44 : x - Step 2: Convert to fraction form
17,991,586.68/26,846,068.98 = 16,893,493.44/x - Step 3: Cross multiply
17,991,586.68x = 26,846,068.98 × 16,893,493.44 - Step 4: Simplify right side
17,991,586.68x = 453,523,890,203,417.56 - Step 5: Solve for x
x = 453,523,890,203,417.56/17,991,586.68 - Step 6: Final answer
x = 25,207,553.86
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.