Finding the Fourth Proportional to 11,529,472.87, 15,912,254.64 and 6,634,595.08
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Solution
The fourth proportional to 11,529,472.87, 15,912,254.64 and 6,634,595.08 is: 9,156,651.61
Step by Step Solution
- Step 1: Write the proportion equation
11,529,472.87 : 15,912,254.64 = 6,634,595.08 : x - Step 2: Convert to fraction form
11,529,472.87/15,912,254.64 = 6,634,595.08/x - Step 3: Cross multiply
11,529,472.87x = 15,912,254.64 × 6,634,595.08 - Step 4: Simplify right side
11,529,472.87x = 105,571,366,353,701.62 - Step 5: Solve for x
x = 105,571,366,353,701.62/11,529,472.87 - Step 6: Final answer
x = 9,156,651.61
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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.