Finding the Fourth Proportional to 11,277,704.74, 15,563,247.88 and 6,121,066.54
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Solution
The fourth proportional to 11,277,704.74, 15,563,247.88 and 6,121,066.54 is: 8,447,080.15
Step by Step Solution
- Step 1: Write the proportion equation
11,277,704.74 : 15,563,247.88 = 6,121,066.54 : x - Step 2: Convert to fraction form
11,277,704.74/15,563,247.88 = 6,121,066.54/x - Step 3: Cross multiply
11,277,704.74x = 15,563,247.88 × 6,121,066.54 - Step 4: Simplify right side
11,277,704.74x = 95,263,675,851,993.94 - Step 5: Solve for x
x = 95,263,675,851,993.94/11,277,704.74 - Step 6: Final answer
x = 8,447,080.15
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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.