Finding the Fourth Proportional to 36,047,728.96, 54,074,917.70 and 11,786,780.28
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Solution
The fourth proportional to 36,047,728.96, 54,074,917.70 and 11,786,780.28 is: 17,681,257.38
Step by Step Solution
- Step 1: Write the proportion equation
36,047,728.96 : 54,074,917.70 = 11,786,780.28 : x - Step 2: Convert to fraction form
36,047,728.96/54,074,917.70 = 11,786,780.28/x - Step 3: Cross multiply
36,047,728.96x = 54,074,917.70 × 11,786,780.28 - Step 4: Simplify right side
36,047,728.96x = 637,369,173,588,983 - Step 5: Solve for x
x = 637,369,173,588,983/36,047,728.96 - Step 6: Final answer
x = 17,681,257.38
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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.