Finding the Fourth Proportional to 14,868,811.75, 22,303,186.94 and 8,388,945.54
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Solution
The fourth proportional to 14,868,811.75, 22,303,186.94 and 8,388,945.54 is: 12,583,400.99
Step by Step Solution
- Step 1: Write the proportion equation
14,868,811.75 : 22,303,186.94 = 8,388,945.54 : x - Step 2: Convert to fraction form
14,868,811.75/22,303,186.94 = 8,388,945.54/x - Step 3: Cross multiply
14,868,811.75x = 22,303,186.94 × 8,388,945.54 - Step 4: Simplify right side
14,868,811.75x = 187,100,220,519,156.09 - Step 5: Solve for x
x = 187,100,220,519,156.09/14,868,811.75 - Step 6: Final answer
x = 12,583,400.99
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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.