Finding the Fourth Proportional to 17,421,609.28, 26,135,902.18 and 9,756,155.14
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Solution
The fourth proportional to 17,421,609.28, 26,135,902.18 and 9,756,155.14 is: 14,636,186.15
Step by Step Solution
- Step 1: Write the proportion equation
17,421,609.28 : 26,135,902.18 = 9,756,155.14 : x - Step 2: Convert to fraction form
17,421,609.28/26,135,902.18 = 9,756,155.14/x - Step 3: Cross multiply
17,421,609.28x = 26,135,902.18 × 9,756,155.14 - Step 4: Simplify right side
17,421,609.28x = 254,985,916,391,944.22 - Step 5: Solve for x
x = 254,985,916,391,944.22/17,421,609.28 - Step 6: Final answer
x = 14,636,186.15
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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.