Finding the Fourth Proportional to 7,742,793.85, 11,613,435.95 and 2,351,491.05
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Solution
The fourth proportional to 7,742,793.85, 11,613,435.95 and 2,351,491.05 is: 3,527,007.34
Step by Step Solution
- Step 1: Write the proportion equation
7,742,793.85 : 11,613,435.95 = 2,351,491.05 : x - Step 2: Convert to fraction form
7,742,793.85/11,613,435.95 = 2,351,491.05/x - Step 3: Cross multiply
7,742,793.85x = 11,613,435.95 × 2,351,491.05 - Step 4: Simplify right side
7,742,793.85x = 27,308,890,745,602.36 - Step 5: Solve for x
x = 27,308,890,745,602.36/7,742,793.85 - Step 6: Final answer
x = 3,527,007.34
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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.