Finding the Fourth Proportional to 19,589,864.80, 29,384,797.20 and 10,631,912.80
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Solution
The fourth proportional to 19,589,864.80, 29,384,797.20 and 10,631,912.80 is: 15,947,869.20
Step by Step Solution
- Step 1: Write the proportion equation
19,589,864.80 : 29,384,797.20 = 10,631,912.80 : x - Step 2: Convert to fraction form
19,589,864.80/29,384,797.20 = 10,631,912.80/x - Step 3: Cross multiply
19,589,864.80x = 29,384,797.20 × 10,631,912.80 - Step 4: Simplify right side
19,589,864.80x = 312,416,601,476,084.19 - Step 5: Solve for x
x = 312,416,601,476,084.19/19,589,864.80 - Step 6: Final answer
x = 15,947,869.20
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1.5x scale
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.