Finding the Fourth Proportional to 18,263,353.40, 27,394,365.60 and 5,483,525.92
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Solution
The fourth proportional to 18,263,353.40, 27,394,365.60 and 5,483,525.92 is: 8,225,089.37
Step by Step Solution
- Step 1: Write the proportion equation
18,263,353.40 : 27,394,365.60 = 5,483,525.92 : x - Step 2: Convert to fraction form
18,263,353.40/27,394,365.60 = 5,483,525.92/x - Step 3: Cross multiply
18,263,353.40x = 27,394,365.60 × 5,483,525.92 - Step 4: Simplify right side
18,263,353.40x = 150,217,713,829,556.34 - Step 5: Solve for x
x = 150,217,713,829,556.34/18,263,353.40 - Step 6: Final answer
x = 8,225,089.37
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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.