Finding the Fourth Proportional to 13,093,611.67, 18,070,597.01 and 7,213,846.68
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Solution
The fourth proportional to 13,093,611.67, 18,070,597.01 and 7,213,846.68 is: 9,955,886.85
Step by Step Solution
- Step 1: Write the proportion equation
13,093,611.67 : 18,070,597.01 = 7,213,846.68 : x - Step 2: Convert to fraction form
13,093,611.67/18,070,597.01 = 7,213,846.68/x - Step 3: Cross multiply
13,093,611.67x = 18,070,597.01 × 7,213,846.68 - Step 4: Simplify right side
13,093,611.67x = 130,358,516,264,241.03 - Step 5: Solve for x
x = 130,358,516,264,241.03/13,093,611.67 - Step 6: Final answer
x = 9,955,886.85
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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.