Finding the Fourth Proportional to 11,054,646.12, 15,256,546.68 and 6,645,798.96
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Solution
The fourth proportional to 11,054,646.12, 15,256,546.68 and 6,645,798.96 is: 9,171,884.92
Step by Step Solution
- Step 1: Write the proportion equation
11,054,646.12 : 15,256,546.68 = 6,645,798.96 : x - Step 2: Convert to fraction form
11,054,646.12/15,256,546.68 = 6,645,798.96/x - Step 3: Cross multiply
11,054,646.12x = 15,256,546.68 × 6,645,798.96 - Step 4: Simplify right side
11,054,646.12x = 101,391,942,059,135.45 - Step 5: Solve for x
x = 101,391,942,059,135.45/11,054,646.12 - Step 6: Final answer
x = 9,171,884.92
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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.