Finding the Fourth Proportional to 6,226,305.70, 9,339,458.55 and 5,163,423.70
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Solution
The fourth proportional to 6,226,305.70, 9,339,458.55 and 5,163,423.70 is: 7,745,135.55
Step by Step Solution
- Step 1: Write the proportion equation
6,226,305.70 : 9,339,458.55 = 5,163,423.70 : x - Step 2: Convert to fraction form
6,226,305.70/9,339,458.55 = 5,163,423.70/x - Step 3: Cross multiply
6,226,305.70x = 9,339,458.55 × 5,163,423.70 - Step 4: Simplify right side
6,226,305.70x = 48,223,581,622,237.64 - Step 5: Solve for x
x = 48,223,581,622,237.64/6,226,305.70 - Step 6: Final answer
x = 7,745,135.55
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Double scale
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Similar ratio
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1.5x scale
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.