Finding the Fourth Proportional to 7,318,687.84, 10,099,516.26 and 4,221,338.14
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Solution
The fourth proportional to 7,318,687.84, 10,099,516.26 and 4,221,338.14 is: 5,825,289.19
Step by Step Solution
- Step 1: Write the proportion equation
7,318,687.84 : 10,099,516.26 = 4,221,338.14 : x - Step 2: Convert to fraction form
7,318,687.84/10,099,516.26 = 4,221,338.14/x - Step 3: Cross multiply
7,318,687.84x = 10,099,516.26 × 4,221,338.14 - Step 4: Simplify right side
7,318,687.84x = 42,633,473,183,888.15 - Step 5: Solve for x
x = 42,633,473,183,888.15/7,318,687.84 - Step 6: Final answer
x = 5,825,289.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.