Finding the Fourth Proportional to 23,174,431.62, 34,761,647.49 and 12,358,965.66
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Solution
The fourth proportional to 23,174,431.62, 34,761,647.49 and 12,358,965.66 is: 18,538,448.52
Step by Step Solution
- Step 1: Write the proportion equation
23,174,431.62 : 34,761,647.49 = 12,358,965.66 : x - Step 2: Convert to fraction form
23,174,431.62/34,761,647.49 = 12,358,965.66/x - Step 3: Cross multiply
23,174,431.62x = 34,761,647.49 × 12,358,965.66 - Step 4: Simplify right side
23,174,431.62x = 429,618,007,613,935.25 - Step 5: Solve for x
x = 429,618,007,613,935.25/23,174,431.62 - Step 6: Final answer
x = 18,538,448.52
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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.