Finding the Fourth Proportional to 7,881,620.01, 10,876,640.28 and 4,396,958.80
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Solution
The fourth proportional to 7,881,620.01, 10,876,640.28 and 4,396,958.80 is: 6,067,805.75
Step by Step Solution
- Step 1: Write the proportion equation
7,881,620.01 : 10,876,640.28 = 4,396,958.80 : x - Step 2: Convert to fraction form
7,881,620.01/10,876,640.28 = 4,396,958.80/x - Step 3: Cross multiply
7,881,620.01x = 10,876,640.28 × 4,396,958.80 - Step 4: Simplify right side
7,881,620.01x = 47,824,139,220,772.06 - Step 5: Solve for x
x = 47,824,139,220,772.06/7,881,620.01 - Step 6: Final answer
x = 6,067,805.75
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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.