Finding the Fourth Proportional to 11,012,108.80, 16,518,163.20 and 8,744,627.20
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Solution
The fourth proportional to 11,012,108.80, 16,518,163.20 and 8,744,627.20 is: 13,116,940.80
Step by Step Solution
- Step 1: Write the proportion equation
11,012,108.80 : 16,518,163.20 = 8,744,627.20 : x - Step 2: Convert to fraction form
11,012,108.80/16,518,163.20 = 8,744,627.20/x - Step 3: Cross multiply
11,012,108.80x = 16,518,163.20 × 8,744,627.20 - Step 4: Simplify right side
11,012,108.80x = 144,445,179,212,759.03 - Step 5: Solve for x
x = 144,445,179,212,759.03/11,012,108.80 - Step 6: Final answer
x = 13,116,940.80
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1.5x scale
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.