Finding the Fourth Proportional to 8,663,633.04, 12,976,765.43 and 8,154,291.68
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Solution
The fourth proportional to 8,663,633.04, 12,976,765.43 and 8,154,291.68 is: 12,213,851.83
Step by Step Solution
- Step 1: Write the proportion equation
8,663,633.04 : 12,976,765.43 = 8,154,291.68 : x - Step 2: Convert to fraction form
8,663,633.04/12,976,765.43 = 8,154,291.68/x - Step 3: Cross multiply
8,663,633.04x = 12,976,765.43 × 8,154,291.68 - Step 4: Simplify right side
8,663,633.04x = 105,816,330,322,168.22 - Step 5: Solve for x
x = 105,816,330,322,168.22/8,663,633.04 - Step 6: Final answer
x = 12,213,851.83
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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.