Finding the Fourth Proportional to 26,182,327.24, 39,279,672.78 and 8,231,431.24
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Solution
The fourth proportional to 26,182,327.24, 39,279,672.78 and 8,231,431.24 is: 12,349,090.39
Step by Step Solution
- Step 1: Write the proportion equation
26,182,327.24 : 39,279,672.78 = 8,231,431.24 : x - Step 2: Convert to fraction form
26,182,327.24/39,279,672.78 = 8,231,431.24/x - Step 3: Cross multiply
26,182,327.24x = 39,279,672.78 × 8,231,431.24 - Step 4: Simplify right side
26,182,327.24x = 323,327,925,618,269.69 - Step 5: Solve for x
x = 323,327,925,618,269.69/26,182,327.24 - Step 6: Final answer
x = 12,349,090.39
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Double scale
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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.