Finding the Fourth Proportional to 7,665,597.72, 11,506,371.84 and 5,646,121.92
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Solution
The fourth proportional to 7,665,597.72, 11,506,371.84 and 5,646,121.92 is: 8,475,057.08
Step by Step Solution
- Step 1: Write the proportion equation
7,665,597.72 : 11,506,371.84 = 5,646,121.92 : x - Step 2: Convert to fraction form
7,665,597.72/11,506,371.84 = 5,646,121.92/x - Step 3: Cross multiply
7,665,597.72x = 11,506,371.84 × 5,646,121.92 - Step 4: Simplify right side
7,665,597.72x = 64,966,378,265,494.73 - Step 5: Solve for x
x = 64,966,378,265,494.73/7,665,597.72 - Step 6: Final answer
x = 8,475,057.08
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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.