Finding the Fourth Proportional to 11,154,381.60, 16,731,226.80 and 3,176,205.60
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Solution
The fourth proportional to 11,154,381.60, 16,731,226.80 and 3,176,205.60 is: 4,764,209.99
Step by Step Solution
- Step 1: Write the proportion equation
11,154,381.60 : 16,731,226.80 = 3,176,205.60 : x - Step 2: Convert to fraction form
11,154,381.60/16,731,226.80 = 3,176,205.60/x - Step 3: Cross multiply
11,154,381.60x = 16,731,226.80 × 3,176,205.60 - Step 4: Simplify right side
11,154,381.60x = 53,141,816,257,030.09 - Step 5: Solve for x
x = 53,141,816,257,030.09/11,154,381.60 - Step 6: Final answer
x = 4,764,209.99
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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.