Finding the Fourth Proportional to 8,702,108.80, 13,053,163.20 and 7,414,403.20
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Solution
The fourth proportional to 8,702,108.80, 13,053,163.20 and 7,414,403.20 is: 11,121,604.80
Step by Step Solution
- Step 1: Write the proportion equation
8,702,108.80 : 13,053,163.20 = 7,414,403.20 : x - Step 2: Convert to fraction form
8,702,108.80/13,053,163.20 = 7,414,403.20/x - Step 3: Cross multiply
8,702,108.80x = 13,053,163.20 × 7,414,403.20 - Step 4: Simplify right side
8,702,108.80x = 96,781,415,000,202.23 - Step 5: Solve for x
x = 96,781,415,000,202.23/8,702,108.80 - Step 6: Final answer
x = 11,121,604.80
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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.