Finding the Fourth Proportional to 11,275,608.31, 15,560,338.88 and 6,118,969.87
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Solution
The fourth proportional to 11,275,608.31, 15,560,338.88 and 6,118,969.87 is: 8,444,178.11
Step by Step Solution
- Step 1: Write the proportion equation
11,275,608.31 : 15,560,338.88 = 6,118,969.87 : x - Step 2: Convert to fraction form
11,275,608.31/15,560,338.88 = 6,118,969.87/x - Step 3: Cross multiply
11,275,608.31x = 15,560,338.88 × 6,118,969.87 - Step 4: Simplify right side
11,275,608.31x = 95,213,244,808,457.39 - Step 5: Solve for x
x = 95,213,244,808,457.39/11,275,608.31 - Step 6: Final answer
x = 8,444,178.11
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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.