Finding the Fourth Proportional to 7,953,703.81, 10,976,118.40 and 4,515,944.84
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Solution
The fourth proportional to 7,953,703.81, 10,976,118.40 and 4,515,944.84 is: 6,232,007.93
Step by Step Solution
- Step 1: Write the proportion equation
7,953,703.81 : 10,976,118.40 = 4,515,944.84 : x - Step 2: Convert to fraction form
7,953,703.81/10,976,118.40 = 4,515,944.84/x - Step 3: Cross multiply
7,953,703.81x = 10,976,118.40 × 4,515,944.84 - Step 4: Simplify right side
7,953,703.81x = 49,567,545,251,709.05 - Step 5: Solve for x
x = 49,567,545,251,709.05/7,953,703.81 - Step 6: Final answer
x = 6,232,007.93
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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.