Finding the Fourth Proportional to 8,742,020.14, 13,112,021.49 and 2,351,770.30
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Solution
The fourth proportional to 8,742,020.14, 13,112,021.49 and 2,351,770.30 is: 3,527,384.09
Step by Step Solution
- Step 1: Write the proportion equation
8,742,020.14 : 13,112,021.49 = 2,351,770.30 : x - Step 2: Convert to fraction form
8,742,020.14/13,112,021.49 = 2,351,770.30/x - Step 3: Cross multiply
8,742,020.14x = 13,112,021.49 × 2,351,770.30 - Step 4: Simplify right side
8,742,020.14x = 30,836,462,713,143.75 - Step 5: Solve for x
x = 30,836,462,713,143.75/8,742,020.14 - Step 6: Final answer
x = 3,527,384.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.