Finding the Fourth Proportional to 8,235,937.70, 12,353,906.55 and 2,252,305.70
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Solution
The fourth proportional to 8,235,937.70, 12,353,906.55 and 2,252,305.70 is: 3,378,458.55
Step by Step Solution
- Step 1: Write the proportion equation
8,235,937.70 : 12,353,906.55 = 2,252,305.70 : x - Step 2: Convert to fraction form
8,235,937.70/12,353,906.55 = 2,252,305.70/x - Step 3: Cross multiply
8,235,937.70x = 12,353,906.55 × 2,252,305.70 - Step 4: Simplify right side
8,235,937.70x = 27,824,774,139,832.34 - Step 5: Solve for x
x = 27,824,774,139,832.34/8,235,937.70 - Step 6: Final answer
x = 3,378,458.55
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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.