Finding the Fourth Proportional to 19,882,272.28, 27,436,979.94 and 12,046,423.84
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Solution
The fourth proportional to 19,882,272.28, 27,436,979.94 and 12,046,423.84 is: 16,623,728.14
Step by Step Solution
- Step 1: Write the proportion equation
19,882,272.28 : 27,436,979.94 = 12,046,423.84 : x - Step 2: Convert to fraction form
19,882,272.28/27,436,979.94 = 12,046,423.84/x - Step 3: Cross multiply
19,882,272.28x = 27,436,979.94 × 12,046,423.84 - Step 4: Simplify right side
19,882,272.28x = 330,517,489,246,817.81 - Step 5: Solve for x
x = 330,517,489,246,817.81/19,882,272.28 - Step 6: Final answer
x = 16,623,728.14
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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.