Finding the Fourth Proportional to 7,194,613.92, 9,928,446.84 and 3,931,353.42
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Solution
The fourth proportional to 7,194,613.92, 9,928,446.84 and 3,931,353.42 is: 5,425,201.95
Step by Step Solution
- Step 1: Write the proportion equation
7,194,613.92 : 9,928,446.84 = 3,931,353.42 : x - Step 2: Convert to fraction form
7,194,613.92/9,928,446.84 = 3,931,353.42/x - Step 3: Cross multiply
7,194,613.92x = 9,928,446.84 × 3,931,353.42 - Step 4: Simplify right side
7,194,613.92x = 39,032,233,439,722.20 - Step 5: Solve for x
x = 39,032,233,439,722.20/7,194,613.92 - Step 6: Final answer
x = 5,425,201.95
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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.