Finding the Fourth Proportional to 18,575,133.46, 27,859,461.42 and 4,929,659.44
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Solution
The fourth proportional to 18,575,133.46, 27,859,461.42 and 4,929,659.44 is: 7,393,629.63
Step by Step Solution
- Step 1: Write the proportion equation
18,575,133.46 : 27,859,461.42 = 4,929,659.44 : x - Step 2: Convert to fraction form
18,575,133.46/27,859,461.42 = 4,929,659.44/x - Step 3: Cross multiply
18,575,133.46x = 27,859,461.42 × 4,929,659.44 - Step 4: Simplify right side
18,575,133.46x = 137,337,657,060,236.52 - Step 5: Solve for x
x = 137,337,657,060,236.52/18,575,133.46 - Step 6: Final answer
x = 7,393,629.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.