Finding the Fourth Proportional to 11,388,553.63, 15,716,203.61 and 6,231,915.63
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Solution
The fourth proportional to 11,388,553.63, 15,716,203.61 and 6,231,915.63 is: 8,600,043.35
Step by Step Solution
- Step 1: Write the proportion equation
11,388,553.63 : 15,716,203.61 = 6,231,915.63 : x - Step 2: Convert to fraction form
11,388,553.63/15,716,203.61 = 6,231,915.63/x - Step 3: Cross multiply
11,388,553.63x = 15,716,203.61 × 6,231,915.63 - Step 4: Simplify right side
11,388,553.63x = 97,942,054,890,261.84 - Step 5: Solve for x
x = 97,942,054,890,261.84/11,388,553.63 - Step 6: Final answer
x = 8,600,043.35
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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.