Finding the Fourth Proportional to 19,617,044.45, 27,071,495.97 and 12,171,937.42
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Solution
The fourth proportional to 19,617,044.45, 27,071,495.97 and 12,171,937.42 is: 16,797,257.90
Step by Step Solution
- Step 1: Write the proportion equation
19,617,044.45 : 27,071,495.97 = 12,171,937.42 : x - Step 2: Convert to fraction form
19,617,044.45/27,071,495.97 = 12,171,937.42/x - Step 3: Cross multiply
19,617,044.45x = 27,071,495.97 × 12,171,937.42 - Step 4: Simplify right side
19,617,044.45x = 329,512,554,812,622.19 - Step 5: Solve for x
x = 329,512,554,812,622.19/19,617,044.45 - Step 6: Final answer
x = 16,797,257.90
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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.