Finding the Fourth Proportional to 8,982,749.70, 13,474,124.55 and 7,388,426.70
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Solution
The fourth proportional to 8,982,749.70, 13,474,124.55 and 7,388,426.70 is: 11,082,640.05
Step by Step Solution
- Step 1: Write the proportion equation
8,982,749.70 : 13,474,124.55 = 7,388,426.70 : x - Step 2: Convert to fraction form
8,982,749.70/13,474,124.55 = 7,388,426.70/x - Step 3: Cross multiply
8,982,749.70x = 13,474,124.55 × 7,388,426.70 - Step 4: Simplify right side
8,982,749.70x = 99,552,581,584,345.50 - Step 5: Solve for x
x = 99,552,581,584,345.50/8,982,749.70 - Step 6: Final answer
x = 11,082,640.05
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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.