Finding the Fourth Proportional to 19,133,441.12, 26,397,524.76 and 12,261,712.16
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Solution
The fourth proportional to 19,133,441.12, 26,397,524.76 and 12,261,712.16 is: 16,916,917.78
Step by Step Solution
- Step 1: Write the proportion equation
19,133,441.12 : 26,397,524.76 = 12,261,712.16 : x - Step 2: Convert to fraction form
19,133,441.12/26,397,524.76 = 12,261,712.16/x - Step 3: Cross multiply
19,133,441.12x = 26,397,524.76 × 12,261,712.16 - Step 4: Simplify right side
19,133,441.12x = 323,678,850,343,593.12 - Step 5: Solve for x
x = 323,678,850,343,593.12/19,133,441.12 - Step 6: Final answer
x = 16,916,917.78
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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.