Finding the Fourth Proportional to 16,121,834.44, 22,247,123.25 and 8,878,490.44
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Solution
The fourth proportional to 16,121,834.44, 22,247,123.25 and 8,878,490.44 is: 12,251,761.54
Step by Step Solution
- Step 1: Write the proportion equation
16,121,834.44 : 22,247,123.25 = 8,878,490.44 : x - Step 2: Convert to fraction form
16,121,834.44/22,247,123.25 = 8,878,490.44/x - Step 3: Cross multiply
16,121,834.44x = 22,247,123.25 × 8,878,490.44 - Step 4: Simplify right side
16,121,834.44x = 197,520,871,092,626.72 - Step 5: Solve for x
x = 197,520,871,092,626.72/16,121,834.44 - Step 6: Final answer
x = 12,251,761.54
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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.