Finding the Fourth Proportional to 25,052,708.38, 34,560,451.98 and 21,740,353.58
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Solution
The fourth proportional to 25,052,708.38, 34,560,451.98 and 21,740,353.58 is: 29,991,026.70
Step by Step Solution
- Step 1: Write the proportion equation
25,052,708.38 : 34,560,451.98 = 21,740,353.58 : x - Step 2: Convert to fraction form
25,052,708.38/34,560,451.98 = 21,740,353.58/x - Step 3: Cross multiply
25,052,708.38x = 34,560,451.98 × 21,740,353.58 - Step 4: Simplify right side
25,052,708.38x = 751,356,445,929,811 - Step 5: Solve for x
x = 751,356,445,929,811/25,052,708.38 - Step 6: Final answer
x = 29,991,026.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.