Finding the Fourth Proportional to 15,193,659.37, 20,946,412.69 and 9,609,122.49
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Solution
The fourth proportional to 15,193,659.37, 20,946,412.69 and 9,609,122.49 is: 13,247,410.67
Step by Step Solution
- Step 1: Write the proportion equation
15,193,659.37 : 20,946,412.69 = 9,609,122.49 : x - Step 2: Convert to fraction form
15,193,659.37/20,946,412.69 = 9,609,122.49/x - Step 3: Cross multiply
15,193,659.37x = 20,946,412.69 × 9,609,122.49 - Step 4: Simplify right side
15,193,659.37x = 201,276,645,297,473.06 - Step 5: Solve for x
x = 201,276,645,297,473.06/15,193,659.37 - Step 6: Final answer
x = 13,247,410.67
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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.