Finding the Fourth Proportional to 22,239,319.29, 30,690,026.19 and 12,449,843.97
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Solution
The fourth proportional to 22,239,319.29, 30,690,026.19 and 12,449,843.97 is: 17,180,653.44
Step by Step Solution
- Step 1: Write the proportion equation
22,239,319.29 : 30,690,026.19 = 12,449,843.97 : x - Step 2: Convert to fraction form
22,239,319.29/30,690,026.19 = 12,449,843.97/x - Step 3: Cross multiply
22,239,319.29x = 30,690,026.19 × 12,449,843.97 - Step 4: Simplify right side
22,239,319.29x = 382,086,037,500,713.62 - Step 5: Solve for x
x = 382,086,037,500,713.62/22,239,319.29 - Step 6: Final answer
x = 17,180,653.44
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1.5x scale
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.