Finding the Fourth Proportional to 11,235,748.53, 16,809,278.63 and 8,657,429.99
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Solution
The fourth proportional to 11,235,748.53, 16,809,278.63 and 8,657,429.99 is: 12,951,976.67
Step by Step Solution
- Step 1: Write the proportion equation
11,235,748.53 : 16,809,278.63 = 8,657,429.99 : x - Step 2: Convert to fraction form
11,235,748.53/16,809,278.63 = 8,657,429.99/x - Step 3: Cross multiply
11,235,748.53x = 16,809,278.63 × 8,657,429.99 - Step 4: Simplify right side
11,235,748.53x = 145,525,152,794,294.56 - Step 5: Solve for x
x = 145,525,152,794,294.56/11,235,748.53 - Step 6: Final answer
x = 12,951,976.67
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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.