Finding the Fourth Proportional to 14,920,837.88, 22,381,255.60 and 4,138,138.58
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Solution
The fourth proportional to 14,920,837.88, 22,381,255.60 and 4,138,138.58 is: 6,207,207.53
Step by Step Solution
- Step 1: Write the proportion equation
14,920,837.88 : 22,381,255.60 = 4,138,138.58 : x - Step 2: Convert to fraction form
14,920,837.88/22,381,255.60 = 4,138,138.58/x - Step 3: Cross multiply
14,920,837.88x = 22,381,255.60 × 4,138,138.58 - Step 4: Simplify right side
14,920,837.88x = 92,616,737,270,843.98 - Step 5: Solve for x
x = 92,616,737,270,843.98/14,920,837.88 - Step 6: Final answer
x = 6,207,207.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.