Finding the Fourth Proportional to 23,293,234.20, 32,144,791.12 and 13,509,480.08
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Solution
The fourth proportional to 23,293,234.20, 32,144,791.12 and 13,509,480.08 is: 18,643,156.70
Step by Step Solution
- Step 1: Write the proportion equation
23,293,234.20 : 32,144,791.12 = 13,509,480.08 : x - Step 2: Convert to fraction form
23,293,234.20/32,144,791.12 = 13,509,480.08/x - Step 3: Cross multiply
23,293,234.20x = 32,144,791.12 × 13,509,480.08 - Step 4: Simplify right side
23,293,234.20x = 434,259,415,311,400.88 - Step 5: Solve for x
x = 434,259,415,311,400.88/23,293,234.20 - Step 6: Final answer
x = 18,643,156.70
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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.