Finding the Fourth Proportional to 17,783,694.84, 26,602,469.12 and 14,196,468.09
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Solution
The fourth proportional to 17,783,694.84, 26,602,469.12 and 14,196,468.09 is: 21,236,368.89
Step by Step Solution
- Step 1: Write the proportion equation
17,783,694.84 : 26,602,469.12 = 14,196,468.09 : x - Step 2: Convert to fraction form
17,783,694.84/26,602,469.12 = 14,196,468.09/x - Step 3: Cross multiply
17,783,694.84x = 26,602,469.12 × 14,196,468.09 - Step 4: Simplify right side
17,783,694.84x = 377,661,103,906,308 - Step 5: Solve for x
x = 377,661,103,906,308/17,783,694.84 - Step 6: Final answer
x = 21,236,368.89
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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.