Finding the Fourth Proportional to 11,286,559.08, 15,580,207.53 and 7,620,436.26
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Solution
The fourth proportional to 11,286,559.08, 15,580,207.53 and 7,620,436.26 is: 10,519,413.19
Step by Step Solution
- Step 1: Write the proportion equation
11,286,559.08 : 15,580,207.53 = 7,620,436.26 : x - Step 2: Convert to fraction form
11,286,559.08/15,580,207.53 = 7,620,436.26/x - Step 3: Cross multiply
11,286,559.08x = 15,580,207.53 × 7,620,436.26 - Step 4: Simplify right side
11,286,559.08x = 118,727,978,399,937.03 - Step 5: Solve for x
x = 118,727,978,399,937.03/11,286,559.08 - Step 6: Final answer
x = 10,519,413.19
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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.