Finding the Fourth Proportional to 18,085,949.28, 27,132,673.68 and 5,306,870.88
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Solution
The fourth proportional to 18,085,949.28, 27,132,673.68 and 5,306,870.88 is: 7,961,406.59
Step by Step Solution
- Step 1: Write the proportion equation
18,085,949.28 : 27,132,673.68 = 5,306,870.88 : x - Step 2: Convert to fraction form
18,085,949.28/27,132,673.68 = 5,306,870.88/x - Step 3: Cross multiply
18,085,949.28x = 27,132,673.68 × 5,306,870.88 - Step 4: Simplify right side
18,085,949.28x = 143,989,595,848,934.44 - Step 5: Solve for x
x = 143,989,595,848,934.44/18,085,949.28 - Step 6: Final answer
x = 7,961,406.59
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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.