Finding the Fourth Proportional to 19,305,179.92, 26,631,294.12 and 12,328,523.92
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Solution
The fourth proportional to 19,305,179.92, 26,631,294.12 and 12,328,523.92 is: 17,007,070.02
Step by Step Solution
- Step 1: Write the proportion equation
19,305,179.92 : 26,631,294.12 = 12,328,523.92 : x - Step 2: Convert to fraction form
19,305,179.92/26,631,294.12 = 12,328,523.92/x - Step 3: Cross multiply
19,305,179.92x = 26,631,294.12 × 12,328,523.92 - Step 4: Simplify right side
19,305,179.92x = 328,324,546,578,975.38 - Step 5: Solve for x
x = 328,324,546,578,975.38/19,305,179.92 - Step 6: Final answer
x = 17,007,070.02
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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.