Finding the Fourth Proportional to 11,011,243.76, 16,513,120.20 and 4,186,170.80
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Solution
The fourth proportional to 11,011,243.76, 16,513,120.20 and 4,186,170.80 is: 6,277,832.29
Step by Step Solution
- Step 1: Write the proportion equation
11,011,243.76 : 16,513,120.20 = 4,186,170.80 : x - Step 2: Convert to fraction form
11,011,243.76/16,513,120.20 = 4,186,170.80/x - Step 3: Cross multiply
11,011,243.76x = 16,513,120.20 × 4,186,170.80 - Step 4: Simplify right side
11,011,243.76x = 69,126,741,598,130.16 - Step 5: Solve for x
x = 69,126,741,598,130.16/11,011,243.76 - Step 6: Final answer
x = 6,277,832.29
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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.