Finding the Fourth Proportional to 7,331,615.40, 11,002,671.90 and 4,133,346.60
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Solution
The fourth proportional to 7,331,615.40, 11,002,671.90 and 4,133,346.60 is: 6,202,979.02
Step by Step Solution
- Step 1: Write the proportion equation
7,331,615.40 : 11,002,671.90 = 4,133,346.60 : x - Step 2: Convert to fraction form
7,331,615.40/11,002,671.90 = 4,133,346.60/x - Step 3: Cross multiply
7,331,615.40x = 11,002,671.90 × 4,133,346.60 - Step 4: Simplify right side
7,331,615.40x = 45,477,856,488,780.54 - Step 5: Solve for x
x = 45,477,856,488,780.54/7,331,615.40 - Step 6: Final answer
x = 6,202,979.02
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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.