Finding the Fourth Proportional to 7,805,309.55, 11,707,898.64 and 6,100,886.49
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Solution
The fourth proportional to 7,805,309.55, 11,707,898.64 and 6,100,886.49 is: 9,151,278.39
Step by Step Solution
- Step 1: Write the proportion equation
7,805,309.55 : 11,707,898.64 = 6,100,886.49 : x - Step 2: Convert to fraction form
7,805,309.55/11,707,898.64 = 6,100,886.49/x - Step 3: Cross multiply
7,805,309.55x = 11,707,898.64 × 6,100,886.49 - Step 4: Simplify right side
7,805,309.55x = 71,428,560,606,599.92 - Step 5: Solve for x
x = 71,428,560,606,599.92/7,805,309.55 - Step 6: Final answer
x = 9,151,278.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.