Finding the Fourth Proportional to 18,144,911.10, 27,217,366.65 and 14,953,640.70
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Solution
The fourth proportional to 18,144,911.10, 27,217,366.65 and 14,953,640.70 is: 22,430,461.05
Step by Step Solution
- Step 1: Write the proportion equation
18,144,911.10 : 27,217,366.65 = 14,953,640.70 : x - Step 2: Convert to fraction form
18,144,911.10/27,217,366.65 = 14,953,640.70/x - Step 3: Cross multiply
18,144,911.10x = 27,217,366.65 × 14,953,640.70 - Step 4: Simplify right side
18,144,911.10x = 406,998,721,684,262.62 - Step 5: Solve for x
x = 406,998,721,684,262.62/18,144,911.10 - Step 6: Final answer
x = 22,430,461.05
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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.