Finding the Fourth Proportional to 23,102,154.05, 31,881,350.12 and 12,647,995.97
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Solution
The fourth proportional to 23,102,154.05, 31,881,350.12 and 12,647,995.97 is: 17,454,441.12
Step by Step Solution
- Step 1: Write the proportion equation
23,102,154.05 : 31,881,350.12 = 12,647,995.97 : x - Step 2: Convert to fraction form
23,102,154.05/31,881,350.12 = 12,647,995.97/x - Step 3: Cross multiply
23,102,154.05x = 31,881,350.12 × 12,647,995.97 - Step 4: Simplify right side
23,102,154.05x = 403,235,187,613,272.25 - Step 5: Solve for x
x = 403,235,187,613,272.25/23,102,154.05 - Step 6: Final answer
x = 17,454,441.12
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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.