Finding the Fourth Proportional to 7,715,198.60, 11,564,696.81 and 2,595,851.31
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Solution
The fourth proportional to 7,715,198.60, 11,564,696.81 and 2,595,851.31 is: 3,891,051.28
Step by Step Solution
- Step 1: Write the proportion equation
7,715,198.60 : 11,564,696.81 = 2,595,851.31 : x - Step 2: Convert to fraction form
7,715,198.60/11,564,696.81 = 2,595,851.31/x - Step 3: Cross multiply
7,715,198.60x = 11,564,696.81 × 2,595,851.31 - Step 4: Simplify right side
7,715,198.60x = 30,020,233,351,012.06 - Step 5: Solve for x
x = 30,020,233,351,012.06/7,715,198.60 - Step 6: Final answer
x = 3,891,051.28
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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.