Finding the Fourth Proportional to 18,550,641.84, 27,826,141.97 and 7,033,011.68
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Solution
The fourth proportional to 18,550,641.84, 27,826,141.97 and 7,033,011.68 is: 10,549,585.45
Step by Step Solution
- Step 1: Write the proportion equation
18,550,641.84 : 27,826,141.97 = 7,033,011.68 : x - Step 2: Convert to fraction form
18,550,641.84/27,826,141.97 = 7,033,011.68/x - Step 3: Cross multiply
18,550,641.84x = 27,826,141.97 × 7,033,011.68 - Step 4: Simplify right side
18,550,641.84x = 195,701,581,310,052.44 - Step 5: Solve for x
x = 195,701,581,310,052.44/18,550,641.84 - Step 6: Final answer
x = 10,549,585.45
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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.