Finding the Fourth Proportional to 7,476,936.88, 11,215,658.04 and 2,085,719.44
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Solution
The fourth proportional to 7,476,936.88, 11,215,658.04 and 2,085,719.44 is: 3,128,649.66
Step by Step Solution
- Step 1: Write the proportion equation
7,476,936.88 : 11,215,658.04 = 2,085,719.44 : x - Step 2: Convert to fraction form
7,476,936.88/11,215,658.04 = 2,085,719.44/x - Step 3: Cross multiply
7,476,936.88x = 11,215,658.04 × 2,085,719.44 - Step 4: Simplify right side
7,476,936.88x = 23,392,716,006,420.30 - Step 5: Solve for x
x = 23,392,716,006,420.30/7,476,936.88 - Step 6: Final answer
x = 3,128,649.66
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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.