Finding the Fourth Proportional to 10,354,214.15, 15,531,321.22 and 3,165,748.05
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Solution
The fourth proportional to 10,354,214.15, 15,531,321.22 and 3,165,748.05 is: 4,748,622.07
Step by Step Solution
- Step 1: Write the proportion equation
10,354,214.15 : 15,531,321.22 = 3,165,748.05 : x - Step 2: Convert to fraction form
10,354,214.15/15,531,321.22 = 3,165,748.05/x - Step 3: Cross multiply
10,354,214.15x = 15,531,321.22 × 3,165,748.05 - Step 4: Simplify right side
10,354,214.15x = 49,168,249,866,138.62 - Step 5: Solve for x
x = 49,168,249,866,138.62/10,354,214.15 - Step 6: Final answer
x = 4,748,622.07
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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.