Finding the Fourth Proportional to 52,853,491.20, 79,256,617.20 and 20,494,639.20
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Solution
The fourth proportional to 52,853,491.20, 79,256,617.20 and 20,494,639.20 is: 30,732,799.99
Step by Step Solution
- Step 1: Write the proportion equation
52,853,491.20 : 79,256,617.20 = 20,494,639.20 : x - Step 2: Convert to fraction form
52,853,491.20/79,256,617.20 = 20,494,639.20/x - Step 3: Cross multiply
52,853,491.20x = 79,256,617.20 × 20,494,639.20 - Step 4: Simplify right side
52,853,491.20x = 1,624,335,773,726,514.25 - Step 5: Solve for x
x = 1,624,335,773,726,514.25/52,853,491.20 - Step 6: Final answer
x = 30,732,799.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.