Finding the Fourth Proportional to 19,923,446.08, 29,720,082.01 and 19,336,105.36
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Solution
The fourth proportional to 19,923,446.08, 29,720,082.01 and 19,336,105.36 is: 28,843,937.68
Step by Step Solution
- Step 1: Write the proportion equation
19,923,446.08 : 29,720,082.01 = 19,336,105.36 : x - Step 2: Convert to fraction form
19,923,446.08/29,720,082.01 = 19,336,105.36/x - Step 3: Cross multiply
19,923,446.08x = 29,720,082.01 × 19,336,105.36 - Step 4: Simplify right side
19,923,446.08x = 574,670,637,053,200.62 - Step 5: Solve for x
x = 574,670,637,053,200.62/19,923,446.08 - Step 6: Final answer
x = 28,843,937.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.