Finding the Fourth Proportional to 8,091,658.37, 11,166,707.70 and 4,830,365.94
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Solution
The fourth proportional to 8,091,658.37, 11,166,707.70 and 4,830,365.94 is: 6,666,035.82
Step by Step Solution
- Step 1: Write the proportion equation
8,091,658.37 : 11,166,707.70 = 4,830,365.94 : x - Step 2: Convert to fraction form
8,091,658.37/11,166,707.70 = 4,830,365.94/x - Step 3: Cross multiply
8,091,658.37x = 11,166,707.70 × 4,830,365.94 - Step 4: Simplify right side
8,091,658.37x = 53,939,284,536,015.74 - Step 5: Solve for x
x = 53,939,284,536,015.74/8,091,658.37 - Step 6: Final answer
x = 6,666,035.82
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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.