Finding the Fourth Proportional to 31,726,079.08, 47,589,282.84 and 14,442,192.65
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Solution
The fourth proportional to 31,726,079.08, 47,589,282.84 and 14,442,192.65 is: 21,663,363.72
Step by Step Solution
- Step 1: Write the proportion equation
31,726,079.08 : 47,589,282.84 = 14,442,192.65 : x - Step 2: Convert to fraction form
31,726,079.08/47,589,282.84 = 14,442,192.65/x - Step 3: Cross multiply
31,726,079.08x = 47,589,282.84 × 14,442,192.65 - Step 4: Simplify right side
31,726,079.08x = 687,293,590,540,461.75 - Step 5: Solve for x
x = 687,293,590,540,461.75/31,726,079.08 - Step 6: Final answer
x = 21,663,363.72
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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.