Finding the Fourth Proportional to 11,221,975.80, 16,806,244.01 and 7,165,899.99
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Solution
The fourth proportional to 11,221,975.80, 16,806,244.01 and 7,165,899.99 is: 10,731,787.87
Step by Step Solution
- Step 1: Write the proportion equation
11,221,975.80 : 16,806,244.01 = 7,165,899.99 : x - Step 2: Convert to fraction form
11,221,975.80/16,806,244.01 = 7,165,899.99/x - Step 3: Cross multiply
11,221,975.80x = 16,806,244.01 × 7,165,899.99 - Step 4: Simplify right side
11,221,975.80x = 120,431,863,747,367.06 - Step 5: Solve for x
x = 120,431,863,747,367.06/11,221,975.80 - Step 6: Final answer
x = 10,731,787.87
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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.