Finding the Fourth Proportional to 10,187,193.84, 15,276,306.20 and 5,393,761.88
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Solution
The fourth proportional to 10,187,193.84, 15,276,306.20 and 5,393,761.88 is: 8,088,268.39
Step by Step Solution
- Step 1: Write the proportion equation
10,187,193.84 : 15,276,306.20 = 5,393,761.88 : x - Step 2: Convert to fraction form
10,187,193.84/15,276,306.20 = 5,393,761.88/x - Step 3: Cross multiply
10,187,193.84x = 15,276,306.20 × 5,393,761.88 - Step 4: Simplify right side
10,187,193.84x = 82,396,757,945,417.31 - Step 5: Solve for x
x = 82,396,757,945,417.31/10,187,193.84 - Step 6: Final answer
x = 8,088,268.39
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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.