Finding the Fourth Proportional to 14,321,237.68, 19,764,990.87 and 8,042,796.82
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Solution
The fourth proportional to 14,321,237.68, 19,764,990.87 and 8,042,796.82 is: 11,100,004.72
Step by Step Solution
- Step 1: Write the proportion equation
14,321,237.68 : 19,764,990.87 = 8,042,796.82 : x - Step 2: Convert to fraction form
14,321,237.68/19,764,990.87 = 8,042,796.82/x - Step 3: Cross multiply
14,321,237.68x = 19,764,990.87 × 8,042,796.82 - Step 4: Simplify right side
14,321,237.68x = 158,965,805,786,084.50 - Step 5: Solve for x
x = 158,965,805,786,084.50/14,321,237.68 - Step 6: Final answer
x = 11,100,004.72
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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.