Finding the Fourth Proportional to 47,385,391.28, 65,394,365.97 and 26,477,931.46
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Solution
The fourth proportional to 47,385,391.28, 65,394,365.97 and 26,477,931.46 is: 36,540,956.89
Step by Step Solution
- Step 1: Write the proportion equation
47,385,391.28 : 65,394,365.97 = 26,477,931.46 : x - Step 2: Convert to fraction form
47,385,391.28/65,394,365.97 = 26,477,931.46/x - Step 3: Cross multiply
47,385,391.28x = 65,394,365.97 × 26,477,931.46 - Step 4: Simplify right side
47,385,391.28x = 1,731,507,539,933,299 - Step 5: Solve for x
x = 1,731,507,539,933,299/47,385,391.28 - Step 6: Final answer
x = 36,540,956.89
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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.