Finding the Fourth Proportional to 12,747,838.88, 17,591,920.26 and 6,946,602.68
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Solution
The fourth proportional to 12,747,838.88, 17,591,920.26 and 6,946,602.68 is: 9,586,258.63
Step by Step Solution
- Step 1: Write the proportion equation
12,747,838.88 : 17,591,920.26 = 6,946,602.68 : x - Step 2: Convert to fraction form
12,747,838.88/17,591,920.26 = 6,946,602.68/x - Step 3: Cross multiply
12,747,838.88x = 17,591,920.26 × 6,946,602.68 - Step 4: Simplify right side
12,747,838.88x = 122,204,080,424,462.30 - Step 5: Solve for x
x = 122,204,080,424,462.30/12,747,838.88 - Step 6: Final answer
x = 9,586,258.63
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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.