Finding the Fourth Proportional to 14,108,169.44, 19,471,074.72 and 8,307,490.88
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Solution
The fourth proportional to 14,108,169.44, 19,471,074.72 and 8,307,490.88 is: 11,465,397.86
Step by Step Solution
- Step 1: Write the proportion equation
14,108,169.44 : 19,471,074.72 = 8,307,490.88 : x - Step 2: Convert to fraction form
14,108,169.44/19,471,074.72 = 8,307,490.88/x - Step 3: Cross multiply
14,108,169.44x = 19,471,074.72 × 8,307,490.88 - Step 4: Simplify right side
14,108,169.44x = 161,755,775,660,198.53 - Step 5: Solve for x
x = 161,755,775,660,198.53/14,108,169.44 - Step 6: Final answer
x = 11,465,397.86
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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.