Finding the Fourth Proportional to 16,402,520.80, 24,603,781.20 and 16,163,372.35
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Solution
The fourth proportional to 16,402,520.80, 24,603,781.20 and 16,163,372.35 is: 24,245,058.53
Step by Step Solution
- Step 1: Write the proportion equation
16,402,520.80 : 24,603,781.20 = 16,163,372.35 : x - Step 2: Convert to fraction form
16,402,520.80/24,603,781.20 = 16,163,372.35/x - Step 3: Cross multiply
16,402,520.80x = 24,603,781.20 × 16,163,372.35 - Step 4: Simplify right side
16,402,520.80x = 397,680,076,753,529.81 - Step 5: Solve for x
x = 397,680,076,753,529.81/16,402,520.80 - Step 6: Final answer
x = 24,245,058.53
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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.