Finding the Fourth Proportional to 6,232,203.90, 9,348,305.85 and 4,888,511.10
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Solution
The fourth proportional to 6,232,203.90, 9,348,305.85 and 4,888,511.10 is: 7,332,766.65
Step by Step Solution
- Step 1: Write the proportion equation
6,232,203.90 : 9,348,305.85 = 4,888,511.10 : x - Step 2: Convert to fraction form
6,232,203.90/9,348,305.85 = 4,888,511.10/x - Step 3: Cross multiply
6,232,203.90x = 9,348,305.85 × 4,888,511.10 - Step 4: Simplify right side
6,232,203.90x = 45,699,296,913,919.93 - Step 5: Solve for x
x = 45,699,296,913,919.93/6,232,203.90 - Step 6: Final answer
x = 7,332,766.65
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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.