Finding the Fourth Proportional to 9,894,138.30, 14,841,207.45 and 8,193,527.10
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Solution
The fourth proportional to 9,894,138.30, 14,841,207.45 and 8,193,527.10 is: 12,290,290.65
Step by Step Solution
- Step 1: Write the proportion equation
9,894,138.30 : 14,841,207.45 = 8,193,527.10 : x - Step 2: Convert to fraction form
9,894,138.30/14,841,207.45 = 8,193,527.10/x - Step 3: Cross multiply
9,894,138.30x = 14,841,207.45 × 8,193,527.10 - Step 4: Simplify right side
9,894,138.30x = 121,601,835,438,296.89 - Step 5: Solve for x
x = 121,601,835,438,296.89/9,894,138.30 - Step 6: Final answer
x = 12,290,290.65
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Double scale
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Similar ratio
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1.5x scale
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.