Finding the Fourth Proportional to 11,175,496.80, 16,727,815.80 and 7,986,850.80
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Solution
The fourth proportional to 11,175,496.80, 16,727,815.80 and 7,986,850.80 is: 11,954,955.69
Step by Step Solution
- Step 1: Write the proportion equation
11,175,496.80 : 16,727,815.80 = 7,986,850.80 : x - Step 2: Convert to fraction form
11,175,496.80/16,727,815.80 = 7,986,850.80/x - Step 3: Cross multiply
11,175,496.80x = 16,727,815.80 × 7,986,850.80 - Step 4: Simplify right side
11,175,496.80x = 133,602,569,004,482.64 - Step 5: Solve for x
x = 133,602,569,004,482.64/11,175,496.80 - Step 6: Final answer
x = 11,954,955.69
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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.