Finding the Fourth Proportional to 17,882,418.42, 26,825,546.79 and 7,648,341.12
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Solution
The fourth proportional to 17,882,418.42, 26,825,546.79 and 7,648,341.12 is: 11,473,332.51
Step by Step Solution
- Step 1: Write the proportion equation
17,882,418.42 : 26,825,546.79 = 7,648,341.12 : x - Step 2: Convert to fraction form
17,882,418.42/26,825,546.79 = 7,648,341.12/x - Step 3: Cross multiply
17,882,418.42x = 26,825,546.79 × 7,648,341.12 - Step 4: Simplify right side
17,882,418.42x = 205,170,932,580,441 - Step 5: Solve for x
x = 205,170,932,580,441/17,882,418.42 - Step 6: Final answer
x = 11,473,332.51
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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.