Finding the Fourth Proportional to 8,868,614.10, 13,302,921.15 and 3,189,023.70
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Solution
The fourth proportional to 8,868,614.10, 13,302,921.15 and 3,189,023.70 is: 4,783,535.55
Step by Step Solution
- Step 1: Write the proportion equation
8,868,614.10 : 13,302,921.15 = 3,189,023.70 : x - Step 2: Convert to fraction form
8,868,614.10/13,302,921.15 = 3,189,023.70/x - Step 3: Cross multiply
8,868,614.10x = 13,302,921.15 × 3,189,023.70 - Step 4: Simplify right side
8,868,614.10x = 42,423,330,826,581.26 - Step 5: Solve for x
x = 42,423,330,826,581.26/8,868,614.10 - Step 6: Final answer
x = 4,783,535.55
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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.