Finding the Fourth Proportional to 22,892,061.84, 31,591,036.44 and 12,579,450
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Solution
The fourth proportional to 22,892,061.84, 31,591,036.44 and 12,579,450 is: 17,359,636.11
Step by Step Solution
- Step 1: Write the proportion equation
22,892,061.84 : 31,591,036.44 = 12,579,450 : x - Step 2: Convert to fraction form
22,892,061.84/31,591,036.44 = 12,579,450/x - Step 3: Cross multiply
22,892,061.84x = 31,591,036.44 × 12,579,450 - Step 4: Simplify right side
22,892,061.84x = 397,397,863,345,158 - Step 5: Solve for x
x = 397,397,863,345,158/22,892,061.84 - Step 6: Final answer
x = 17,359,636.11
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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.