Finding the Fourth Proportional to 10,995,157.12, 15,173,302.08 and 6,166,218.88
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Solution
The fourth proportional to 10,995,157.12, 15,173,302.08 and 6,166,218.88 is: 8,509,373.78
Step by Step Solution
- Step 1: Write the proportion equation
10,995,157.12 : 15,173,302.08 = 6,166,218.88 : x - Step 2: Convert to fraction form
10,995,157.12/15,173,302.08 = 6,166,218.88/x - Step 3: Cross multiply
10,995,157.12x = 15,173,302.08 × 6,166,218.88 - Step 4: Simplify right side
10,995,157.12x = 93,561,901,757,639.27 - Step 5: Solve for x
x = 93,561,901,757,639.27/10,995,157.12 - Step 6: Final answer
x = 8,509,373.78
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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.