Finding the Fourth Proportional to 12,755,644.08, 17,598,372.84 and 8,174,491.44
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Solution
The fourth proportional to 12,755,644.08, 17,598,372.84 and 8,174,491.44 is: 11,277,968.19
Step by Step Solution
- Step 1: Write the proportion equation
12,755,644.08 : 17,598,372.84 = 8,174,491.44 : x - Step 2: Convert to fraction form
12,755,644.08/17,598,372.84 = 8,174,491.44/x - Step 3: Cross multiply
12,755,644.08x = 17,598,372.84 × 8,174,491.44 - Step 4: Simplify right side
12,755,644.08x = 143,857,748,138,508.50 - Step 5: Solve for x
x = 143,857,748,138,508.50/12,755,644.08 - Step 6: Final answer
x = 11,277,968.19
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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.