Finding the Fourth Proportional to 26,244,086.20, 39,366,129.30 and 19,866,794.20
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Solution
The fourth proportional to 26,244,086.20, 39,366,129.30 and 19,866,794.20 is: 29,800,191.30
Step by Step Solution
- Step 1: Write the proportion equation
26,244,086.20 : 39,366,129.30 = 19,866,794.20 : x - Step 2: Convert to fraction form
26,244,086.20/39,366,129.30 = 19,866,794.20/x - Step 3: Cross multiply
26,244,086.20x = 39,366,129.30 × 19,866,794.20 - Step 4: Simplify right side
26,244,086.20x = 782,078,789,253,690 - Step 5: Solve for x
x = 782,078,789,253,690/26,244,086.20 - Step 6: Final answer
x = 29,800,191.30
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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.