Finding the Fourth Proportional to 13,496,720.50, 18,625,474.29 and 7,385,149
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Solution
The fourth proportional to 13,496,720.50, 18,625,474.29 and 7,385,149 is: 10,191,505.62
Step by Step Solution
- Step 1: Write the proportion equation
13,496,720.50 : 18,625,474.29 = 7,385,149 : x - Step 2: Convert to fraction form
13,496,720.50/18,625,474.29 = 7,385,149/x - Step 3: Cross multiply
13,496,720.50x = 18,625,474.29 × 7,385,149 - Step 4: Simplify right side
13,496,720.50x = 137,551,902,827,319.20 - Step 5: Solve for x
x = 137,551,902,827,319.20/13,496,720.50 - Step 6: Final answer
x = 10,191,505.62
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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.