Finding the Fourth Proportional to 13,319,242.06, 18,380,554.04 and 7,207,670.56
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Solution
The fourth proportional to 13,319,242.06, 18,380,554.04 and 7,207,670.56 is: 9,946,585.37
Step by Step Solution
- Step 1: Write the proportion equation
13,319,242.06 : 18,380,554.04 = 7,207,670.56 : x - Step 2: Convert to fraction form
13,319,242.06/18,380,554.04 = 7,207,670.56/x - Step 3: Cross multiply
13,319,242.06x = 18,380,554.04 × 7,207,670.56 - Step 4: Simplify right side
13,319,242.06x = 132,480,978,230,597.05 - Step 5: Solve for x
x = 132,480,978,230,597.05/13,319,242.06 - Step 6: Final answer
x = 9,946,585.37
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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.