Finding the Fourth Proportional to 13,582,377.28, 20,371,351.23 and 3,995,513.74
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Solution
The fourth proportional to 13,582,377.28, 20,371,351.23 and 3,995,513.74 is: 5,992,619.12
Step by Step Solution
- Step 1: Write the proportion equation
13,582,377.28 : 20,371,351.23 = 3,995,513.74 : x - Step 2: Convert to fraction form
13,582,377.28/20,371,351.23 = 3,995,513.74/x - Step 3: Cross multiply
13,582,377.28x = 20,371,351.23 × 3,995,513.74 - Step 4: Simplify right side
13,582,377.28x = 81,394,013,741,830.91 - Step 5: Solve for x
x = 81,394,013,741,830.91/13,582,377.28 - Step 6: Final answer
x = 5,992,619.12
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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.