Finding the Fourth Proportional to 11,101,147.07, 15,318,805.25 and 6,454,602.45
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Solution
The fourth proportional to 11,101,147.07, 15,318,805.25 and 6,454,602.45 is: 8,906,899.20
Step by Step Solution
- Step 1: Write the proportion equation
11,101,147.07 : 15,318,805.25 = 6,454,602.45 : x - Step 2: Convert to fraction form
11,101,147.07/15,318,805.25 = 6,454,602.45/x - Step 3: Cross multiply
11,101,147.07x = 15,318,805.25 × 6,454,602.45 - Step 4: Simplify right side
11,101,147.07x = 98,876,797,913,859.38 - Step 5: Solve for x
x = 98,876,797,913,859.38/11,101,147.07 - Step 6: Final answer
x = 8,906,899.20
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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.