Finding the Fourth Proportional to 10,385,583.74, 15,564,450.60 and 8,082,857.42
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Solution
The fourth proportional to 10,385,583.74, 15,564,450.60 and 8,082,857.42 is: 12,113,448.62
Step by Step Solution
- Step 1: Write the proportion equation
10,385,583.74 : 15,564,450.60 = 8,082,857.42 : x - Step 2: Convert to fraction form
10,385,583.74/15,564,450.60 = 8,082,857.42/x - Step 3: Cross multiply
10,385,583.74x = 15,564,450.60 × 8,082,857.42 - Step 4: Simplify right side
10,385,583.74x = 125,805,235,020,433.45 - Step 5: Solve for x
x = 125,805,235,020,433.45/10,385,583.74 - Step 6: Final answer
x = 12,113,448.62
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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.