Finding the Fourth Proportional to 16,323,213.40, 24,455,328.90 and 13,963,917.40
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Solution
The fourth proportional to 16,323,213.40, 24,455,328.90 and 13,963,917.40 is: 20,920,647.45
Step by Step Solution
- Step 1: Write the proportion equation
16,323,213.40 : 24,455,328.90 = 13,963,917.40 : x - Step 2: Convert to fraction form
16,323,213.40/24,455,328.90 = 13,963,917.40/x - Step 3: Cross multiply
16,323,213.40x = 24,455,328.90 × 13,963,917.40 - Step 4: Simplify right side
16,323,213.40x = 341,492,192,749,432.88 - Step 5: Solve for x
x = 341,492,192,749,432.88/16,323,213.40 - Step 6: Final answer
x = 20,920,647.45
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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.