Finding the Fourth Proportional to 14,321,858.94, 19,764,591.84 and 8,818,409.52
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Solution
The fourth proportional to 14,321,858.94, 19,764,591.84 and 8,818,409.52 is: 12,169,667.75
Step by Step Solution
- Step 1: Write the proportion equation
14,321,858.94 : 19,764,591.84 = 8,818,409.52 : x - Step 2: Convert to fraction form
14,321,858.94/19,764,591.84 = 8,818,409.52/x - Step 3: Cross multiply
14,321,858.94x = 19,764,591.84 × 8,818,409.52 - Step 4: Simplify right side
14,321,858.94x = 174,292,264,840,770.31 - Step 5: Solve for x
x = 174,292,264,840,770.31/14,321,858.94 - Step 6: Final answer
x = 12,169,667.75
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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.