Finding the Fourth Proportional to 11,277,877.62, 15,563,054.16 and 6,121,128.46
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Solution
The fourth proportional to 11,277,877.62, 15,563,054.16 and 6,121,128.46 is: 8,446,930.97
Step by Step Solution
- Step 1: Write the proportion equation
11,277,877.62 : 15,563,054.16 = 6,121,128.46 : x - Step 2: Convert to fraction form
11,277,877.62/15,563,054.16 = 6,121,128.46/x - Step 3: Cross multiply
11,277,877.62x = 15,563,054.16 × 6,121,128.46 - Step 4: Simplify right side
11,277,877.62x = 95,263,453,743,297.39 - Step 5: Solve for x
x = 95,263,453,743,297.39/11,277,877.62 - Step 6: Final answer
x = 8,446,930.97
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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.