Finding the Fourth Proportional to 19,718,836.80, 29,528,488.80 and 15,737,524.80
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Solution
The fourth proportional to 19,718,836.80, 29,528,488.80 and 15,737,524.80 is: 23,566,568.84
Step by Step Solution
- Step 1: Write the proportion equation
19,718,836.80 : 29,528,488.80 = 15,737,524.80 : x - Step 2: Convert to fraction form
19,718,836.80/29,528,488.80 = 15,737,524.80/x - Step 3: Cross multiply
19,718,836.80x = 29,528,488.80 × 15,737,524.80 - Step 4: Simplify right side
19,718,836.80x = 464,705,324,796,522.25 - Step 5: Solve for x
x = 464,705,324,796,522.25/19,718,836.80 - Step 6: Final answer
x = 23,566,568.84
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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.