Finding the Fourth Proportional to 27,639,591.84, 38,142,529.20 and 15,250,456.08
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Solution
The fourth proportional to 27,639,591.84, 38,142,529.20 and 15,250,456.08 is: 21,045,570.05
Step by Step Solution
- Step 1: Write the proportion equation
27,639,591.84 : 38,142,529.20 = 15,250,456.08 : x - Step 2: Convert to fraction form
27,639,591.84/38,142,529.20 = 15,250,456.08/x - Step 3: Cross multiply
27,639,591.84x = 38,142,529.20 × 15,250,456.08 - Step 4: Simplify right side
27,639,591.84x = 581,690,966,344,717.62 - Step 5: Solve for x
x = 581,690,966,344,717.62/27,639,591.84 - Step 6: Final answer
x = 21,045,570.05
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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.