Finding the Fourth Proportional to 19,505,737.20, 29,258,703 and 7,997,490.48
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Solution
The fourth proportional to 19,505,737.20, 29,258,703 and 7,997,490.48 is: 11,996,275.57
Step by Step Solution
- Step 1: Write the proportion equation
19,505,737.20 : 29,258,703 = 7,997,490.48 : x - Step 2: Convert to fraction form
19,505,737.20/29,258,703 = 7,997,490.48/x - Step 3: Cross multiply
19,505,737.20x = 29,258,703 × 7,997,490.48 - Step 4: Simplify right side
19,505,737.20x = 233,996,198,699,647.44 - Step 5: Solve for x
x = 233,996,198,699,647.44/19,505,737.20 - Step 6: Final answer
x = 11,996,275.57
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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.