Finding the Fourth Proportional to 8,446,893.09, 12,561,678.36 and 8,177,848.35
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Solution
The fourth proportional to 8,446,893.09, 12,561,678.36 and 8,177,848.35 is: 12,161,572.26
Step by Step Solution
- Step 1: Write the proportion equation
8,446,893.09 : 12,561,678.36 = 8,177,848.35 : x - Step 2: Convert to fraction form
8,446,893.09/12,561,678.36 = 8,177,848.35/x - Step 3: Cross multiply
8,446,893.09x = 12,561,678.36 × 8,177,848.35 - Step 4: Simplify right side
8,446,893.09x = 102,727,500,649,556.70 - Step 5: Solve for x
x = 102,727,500,649,556.70/8,446,893.09 - Step 6: Final answer
x = 12,161,572.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.