Finding the Fourth Proportional to 14,379,523.74, 19,841,113.35 and 8,184,204.54
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Solution
The fourth proportional to 14,379,523.74, 19,841,113.35 and 8,184,204.54 is: 11,292,705.72
Step by Step Solution
- Step 1: Write the proportion equation
14,379,523.74 : 19,841,113.35 = 8,184,204.54 : x - Step 2: Convert to fraction form
14,379,523.74/19,841,113.35 = 8,184,204.54/x - Step 3: Cross multiply
14,379,523.74x = 19,841,113.35 × 8,184,204.54 - Step 4: Simplify right side
14,379,523.74x = 162,383,729,957,724.62 - Step 5: Solve for x
x = 162,383,729,957,724.62/14,379,523.74 - Step 6: Final answer
x = 11,292,705.72
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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.