Finding the Fourth Proportional to 18,534,450.40, 27,781,400.40 and 6,561,023.20
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Solution
The fourth proportional to 18,534,450.40, 27,781,400.40 and 6,561,023.20 is: 9,834,357.57
Step by Step Solution
- Step 1: Write the proportion equation
18,534,450.40 : 27,781,400.40 = 6,561,023.20 : x - Step 2: Convert to fraction form
18,534,450.40/27,781,400.40 = 6,561,023.20/x - Step 3: Cross multiply
18,534,450.40x = 27,781,400.40 × 6,561,023.20 - Step 4: Simplify right side
18,534,450.40x = 182,274,412,552,889.28 - Step 5: Solve for x
x = 182,274,412,552,889.28/18,534,450.40 - Step 6: Final answer
x = 9,834,357.57
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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.