Finding the Fourth Proportional to 22,912,968.24, 31,619,857.68 and 13,126,580.64
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Solution
The fourth proportional to 22,912,968.24, 31,619,857.68 and 13,126,580.64 is: 18,114,659.23
Step by Step Solution
- Step 1: Write the proportion equation
22,912,968.24 : 31,619,857.68 = 13,126,580.64 : x - Step 2: Convert to fraction form
22,912,968.24/31,619,857.68 = 13,126,580.64/x - Step 3: Cross multiply
22,912,968.24x = 31,619,857.68 × 13,126,580.64 - Step 4: Simplify right side
22,912,968.24x = 415,060,611,661,843.31 - Step 5: Solve for x
x = 415,060,611,661,843.31/22,912,968.24 - Step 6: Final answer
x = 18,114,659.23
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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.