Finding the Fourth Proportional to 19,104,189.28, 28,660,065.78 and 5,457,453.44
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Solution
The fourth proportional to 19,104,189.28, 28,660,065.78 and 5,457,453.44 is: 8,187,260.52
Step by Step Solution
- Step 1: Write the proportion equation
19,104,189.28 : 28,660,065.78 = 5,457,453.44 : x - Step 2: Convert to fraction form
19,104,189.28/28,660,065.78 = 5,457,453.44/x - Step 3: Cross multiply
19,104,189.28x = 28,660,065.78 × 5,457,453.44 - Step 4: Simplify right side
19,104,189.28x = 156,410,974,581,687.31 - Step 5: Solve for x
x = 156,410,974,581,687.31/19,104,189.28 - Step 6: Final answer
x = 8,187,260.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.