Finding the Fourth Proportional to 18,770,656.75, 25,903,506.32 and 10,185,952.75
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Solution
The fourth proportional to 18,770,656.75, 25,903,506.32 and 10,185,952.75 is: 14,056,614.80
Step by Step Solution
- Step 1: Write the proportion equation
18,770,656.75 : 25,903,506.32 = 10,185,952.75 : x - Step 2: Convert to fraction form
18,770,656.75/25,903,506.32 = 10,185,952.75/x - Step 3: Cross multiply
18,770,656.75x = 25,903,506.32 × 10,185,952.75 - Step 4: Simplify right side
18,770,656.75x = 263,851,891,434,846.38 - Step 5: Solve for x
x = 263,851,891,434,846.38/18,770,656.75 - Step 6: Final answer
x = 14,056,614.80
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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.