Finding the Fourth Proportional to 18,412,572.35, 27,626,821.64 and 9,882,943.49
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Solution
The fourth proportional to 18,412,572.35, 27,626,821.64 and 9,882,943.49 is: 14,828,689.43
Step by Step Solution
- Step 1: Write the proportion equation
18,412,572.35 : 27,626,821.64 = 9,882,943.49 : x - Step 2: Convert to fraction form
18,412,572.35/27,626,821.64 = 9,882,943.49/x - Step 3: Cross multiply
18,412,572.35x = 27,626,821.64 × 9,882,943.49 - Step 4: Simplify right side
18,412,572.35x = 273,034,316,888,880.31 - Step 5: Solve for x
x = 273,034,316,888,880.31/18,412,572.35 - Step 6: Final answer
x = 14,828,689.43
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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.