Finding the Fourth Proportional to 19,446,130.20, 29,169,195.30 and 5,981,208.60
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Solution
The fourth proportional to 19,446,130.20, 29,169,195.30 and 5,981,208.60 is: 8,971,812.90
Step by Step Solution
- Step 1: Write the proportion equation
19,446,130.20 : 29,169,195.30 = 5,981,208.60 : x - Step 2: Convert to fraction form
19,446,130.20/29,169,195.30 = 5,981,208.60/x - Step 3: Cross multiply
19,446,130.20x = 29,169,195.30 × 5,981,208.60 - Step 4: Simplify right side
19,446,130.20x = 174,467,041,783,439.56 - Step 5: Solve for x
x = 174,467,041,783,439.56/19,446,130.20 - Step 6: Final answer
x = 8,971,812.90
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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.