Finding the Fourth Proportional to 9,107,098.17, 12,569,350.44 and 5,436,204.09
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Solution
The fourth proportional to 9,107,098.17, 12,569,350.44 and 5,436,204.09 is: 7,502,889.83
Step by Step Solution
- Step 1: Write the proportion equation
9,107,098.17 : 12,569,350.44 = 5,436,204.09 : x - Step 2: Convert to fraction form
9,107,098.17/12,569,350.44 = 5,436,204.09/x - Step 3: Cross multiply
9,107,098.17x = 12,569,350.44 × 5,436,204.09 - Step 4: Simplify right side
9,107,098.17x = 68,329,554,270,571.30 - Step 5: Solve for x
x = 68,329,554,270,571.30/9,107,098.17 - Step 6: Final answer
x = 7,502,889.83
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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.