Finding the Fourth Proportional to 10,653,121.40, 15,982,049.52 and 4,970,245.64
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Solution
The fourth proportional to 10,653,121.40, 15,982,049.52 and 4,970,245.64 is: 7,456,472.99
Step by Step Solution
- Step 1: Write the proportion equation
10,653,121.40 : 15,982,049.52 = 4,970,245.64 : x - Step 2: Convert to fraction form
10,653,121.40/15,982,049.52 = 4,970,245.64/x - Step 3: Cross multiply
10,653,121.40x = 15,982,049.52 × 4,970,245.64 - Step 4: Simplify right side
10,653,121.40x = 79,434,711,945,044.08 - Step 5: Solve for x
x = 79,434,711,945,044.08/10,653,121.40 - Step 6: Final answer
x = 7,456,472.99
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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.