Finding the Fourth Proportional to 12,534,908.27, 17,291,806.97 and 8,186,539.91
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Solution
The fourth proportional to 12,534,908.27, 17,291,806.97 and 8,186,539.91 is: 11,293,267.15
Step by Step Solution
- Step 1: Write the proportion equation
12,534,908.27 : 17,291,806.97 = 8,186,539.91 : x - Step 2: Convert to fraction form
12,534,908.27/17,291,806.97 = 8,186,539.91/x - Step 3: Cross multiply
12,534,908.27x = 17,291,806.97 × 8,186,539.91 - Step 4: Simplify right side
12,534,908.27x = 141,560,067,748,529.44 - Step 5: Solve for x
x = 141,560,067,748,529.44/12,534,908.27 - Step 6: Final answer
x = 11,293,267.15
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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.