Finding the Fourth Proportional to 11,678,889.46, 16,117,328.42 and 6,717,322.84
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Solution
The fourth proportional to 11,678,889.46, 16,117,328.42 and 6,717,322.84 is: 9,270,170.65
Step by Step Solution
- Step 1: Write the proportion equation
11,678,889.46 : 16,117,328.42 = 6,717,322.84 : x - Step 2: Convert to fraction form
11,678,889.46/16,117,328.42 = 6,717,322.84/x - Step 3: Cross multiply
11,678,889.46x = 16,117,328.42 × 6,717,322.84 - Step 4: Simplify right side
11,678,889.46x = 108,265,298,315,447.11 - Step 5: Solve for x
x = 108,265,298,315,447.11/11,678,889.46 - Step 6: Final answer
x = 9,270,170.65
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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.