Finding the Fourth Proportional to 8,456,134.80, 11,669,406.84 and 4,588,557.60
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Solution
The fourth proportional to 8,456,134.80, 11,669,406.84 and 4,588,557.60 is: 6,332,177.37
Step by Step Solution
- Step 1: Write the proportion equation
8,456,134.80 : 11,669,406.84 = 4,588,557.60 : x - Step 2: Convert to fraction form
8,456,134.80/11,669,406.84 = 4,588,557.60/x - Step 3: Cross multiply
8,456,134.80x = 11,669,406.84 × 4,588,557.60 - Step 4: Simplify right side
8,456,134.80x = 53,545,745,443,173.98 - Step 5: Solve for x
x = 53,545,745,443,173.98/8,456,134.80 - Step 6: Final answer
x = 6,332,177.37
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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.