Finding the Fourth Proportional to 10,354,214.65, 15,531,321.97 and 3,165,748.56
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Solution
The fourth proportional to 10,354,214.65, 15,531,321.97 and 3,165,748.56 is: 4,748,622.83
Step by Step Solution
- Step 1: Write the proportion equation
10,354,214.65 : 15,531,321.97 = 3,165,748.56 : x - Step 2: Convert to fraction form
10,354,214.65/15,531,321.97 = 3,165,748.56/x - Step 3: Cross multiply
10,354,214.65x = 15,531,321.97 × 3,165,748.56 - Step 4: Simplify right side
10,354,214.65x = 49,168,260,083,767.26 - Step 5: Solve for x
x = 49,168,260,083,767.26/10,354,214.65 - Step 6: Final answer
x = 4,748,622.83
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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.