Finding the Fourth Proportional to 19,542,006.80, 29,313,010.20 and 14,440,173.20
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Solution
The fourth proportional to 19,542,006.80, 29,313,010.20 and 14,440,173.20 is: 21,660,259.80
Step by Step Solution
- Step 1: Write the proportion equation
19,542,006.80 : 29,313,010.20 = 14,440,173.20 : x - Step 2: Convert to fraction form
19,542,006.80/29,313,010.20 = 14,440,173.20/x - Step 3: Cross multiply
19,542,006.80x = 29,313,010.20 × 14,440,173.20 - Step 4: Simplify right side
19,542,006.80x = 423,284,944,301,366.62 - Step 5: Solve for x
x = 423,284,944,301,366.62/19,542,006.80 - Step 6: Final answer
x = 21,660,259.80
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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.