Finding the Fourth Proportional to 26,393,420.93, 39,596,327.90 and 8,196,676.97
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Solution
The fourth proportional to 26,393,420.93, 39,596,327.90 and 8,196,676.97 is: 12,296,939.83
Step by Step Solution
- Step 1: Write the proportion equation
26,393,420.93 : 39,596,327.90 = 8,196,676.97 : x - Step 2: Convert to fraction form
26,393,420.93/39,596,327.90 = 8,196,676.97/x - Step 3: Cross multiply
26,393,420.93x = 39,596,327.90 × 8,196,676.97 - Step 4: Simplify right side
26,393,420.93x = 324,558,308,953,515.12 - Step 5: Solve for x
x = 324,558,308,953,515.12/26,393,420.93 - Step 6: Final answer
x = 12,296,939.83
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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.