Finding the Fourth Proportional to 11,321,133.18, 15,621,088.14 and 6,676,375.32
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Solution
The fourth proportional to 11,321,133.18, 15,621,088.14 and 6,676,375.32 is: 9,212,173.88
Step by Step Solution
- Step 1: Write the proportion equation
11,321,133.18 : 15,621,088.14 = 6,676,375.32 : x - Step 2: Convert to fraction form
11,321,133.18/15,621,088.14 = 6,676,375.32/x - Step 3: Cross multiply
11,321,133.18x = 15,621,088.14 × 6,676,375.32 - Step 4: Simplify right side
11,321,133.18x = 104,292,247,329,440.72 - Step 5: Solve for x
x = 104,292,247,329,440.72/11,321,133.18 - Step 6: Final answer
x = 9,212,173.88
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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.