Finding the Fourth Proportional to 14,689,608.54, 20,271,771.63 and 8,163,850.02
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Solution
The fourth proportional to 14,689,608.54, 20,271,771.63 and 8,163,850.02 is: 11,266,175.19
Step by Step Solution
- Step 1: Write the proportion equation
14,689,608.54 : 20,271,771.63 = 8,163,850.02 : x - Step 2: Convert to fraction form
14,689,608.54/20,271,771.63 = 8,163,850.02/x - Step 3: Cross multiply
14,689,608.54x = 20,271,771.63 × 8,163,850.02 - Step 4: Simplify right side
14,689,608.54x = 165,495,703,227,010.91 - Step 5: Solve for x
x = 165,495,703,227,010.91/14,689,608.54 - Step 6: Final answer
x = 11,266,175.19
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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.