Finding the Fourth Proportional to 7,110,540.21, 9,812,539.15 and 4,013,715.41
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Solution
The fourth proportional to 7,110,540.21, 9,812,539.15 and 4,013,715.41 is: 5,538,923.69
Step by Step Solution
- Step 1: Write the proportion equation
7,110,540.21 : 9,812,539.15 = 4,013,715.41 : x - Step 2: Convert to fraction form
7,110,540.21/9,812,539.15 = 4,013,715.41/x - Step 3: Cross multiply
7,110,540.21x = 9,812,539.15 × 4,013,715.41 - Step 4: Simplify right side
7,110,540.21x = 39,384,739,597,583.30 - Step 5: Solve for x
x = 39,384,739,597,583.30/7,110,540.21 - Step 6: Final answer
x = 5,538,923.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.