Finding the Fourth Proportional to 11,726,108.64, 16,186,549.14 and 11,402,520.12
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Solution
The fourth proportional to 11,726,108.64, 16,186,549.14 and 11,402,520.12 is: 15,739,872.27
Step by Step Solution
- Step 1: Write the proportion equation
11,726,108.64 : 16,186,549.14 = 11,402,520.12 : x - Step 2: Convert to fraction form
11,726,108.64/16,186,549.14 = 11,402,520.12/x - Step 3: Cross multiply
11,726,108.64x = 16,186,549.14 × 11,402,520.12 - Step 4: Simplify right side
11,726,108.64x = 184,567,452,242,218.69 - Step 5: Solve for x
x = 184,567,452,242,218.69/11,726,108.64 - Step 6: Final answer
x = 15,739,872.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.