Finding the Fourth Proportional to 16,512,627.90, 24,689,225.70 and 12,207,955.80
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Solution
The fourth proportional to 16,512,627.90, 24,689,225.70 and 12,207,955.80 is: 18,252,998.73
Step by Step Solution
- Step 1: Write the proportion equation
16,512,627.90 : 24,689,225.70 = 12,207,955.80 : x - Step 2: Convert to fraction form
16,512,627.90/24,689,225.70 = 12,207,955.80/x - Step 3: Cross multiply
16,512,627.90x = 24,689,225.70 × 12,207,955.80 - Step 4: Simplify right side
16,512,627.90x = 301,404,976,081,824.06 - Step 5: Solve for x
x = 301,404,976,081,824.06/16,512,627.90 - Step 6: Final answer
x = 18,252,998.73
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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.