Finding the Fourth Proportional to 11,663,319.61, 17,492,985.42 and 3,141,663.16
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Solution
The fourth proportional to 11,663,319.61, 17,492,985.42 and 3,141,663.16 is: 4,711,957.63
Step by Step Solution
- Step 1: Write the proportion equation
11,663,319.61 : 17,492,985.42 = 3,141,663.16 : x - Step 2: Convert to fraction form
11,663,319.61/17,492,985.42 = 3,141,663.16/x - Step 3: Cross multiply
11,663,319.61x = 17,492,985.42 × 3,141,663.16 - Step 4: Simplify right side
11,663,319.61x = 54,957,067,852,431.13 - Step 5: Solve for x
x = 54,957,067,852,431.13/11,663,319.61 - Step 6: Final answer
x = 4,711,957.63
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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.