Finding the Fourth Proportional to 17,855,465.28, 26,786,645.44 and 7,620,175.68
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Solution
The fourth proportional to 17,855,465.28, 26,786,645.44 and 7,620,175.68 is: 11,431,734.82
Step by Step Solution
- Step 1: Write the proportion equation
17,855,465.28 : 26,786,645.44 = 7,620,175.68 : x - Step 2: Convert to fraction form
17,855,465.28/26,786,645.44 = 7,620,175.68/x - Step 3: Cross multiply
17,855,465.28x = 26,786,645.44 × 7,620,175.68 - Step 4: Simplify right side
17,855,465.28x = 204,118,944,130,670.91 - Step 5: Solve for x
x = 204,118,944,130,670.91/17,855,465.28 - Step 6: Final answer
x = 11,431,734.82
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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.