Finding the Fourth Proportional to 8,232,030.05, 12,348,045.08 and 7,770,135.65
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Solution
The fourth proportional to 8,232,030.05, 12,348,045.08 and 7,770,135.65 is: 11,655,203.48
Step by Step Solution
- Step 1: Write the proportion equation
8,232,030.05 : 12,348,045.08 = 7,770,135.65 : x - Step 2: Convert to fraction form
8,232,030.05/12,348,045.08 = 7,770,135.65/x - Step 3: Cross multiply
8,232,030.05x = 12,348,045.08 × 7,770,135.65 - Step 4: Simplify right side
8,232,030.05x = 95,945,985,245,064.42 - Step 5: Solve for x
x = 95,945,985,245,064.42/8,232,030.05 - Step 6: Final answer
x = 11,655,203.48
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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.